"what is total volume of the gas-exchanging region of the lungs?"

Answers

Answer 1
The total volume of the gas-exchanging region in the lung is called alveolar volume.

The alveolus is an air sack-like organ in the end of the respiratory airway. The alveolus is the site where gas-exchanging happens, so only air inside alveolus that will undergo actual exchange. Air in bronchus or trachea wouldn't do exchange

Related Questions

What is an non example of cytoplasm

Answers

Cytoplasm is the content of the cell outside of the nucleus. So an example for a part of the cytoplasm are the ribosomes and the mitochondria. 

An non-example for cytoplasm is the nucleus and the contents of the nucleus, such as the chromosomes.

Johnny has a penny removed from his left nostril in the provider’s office. what cpt® code is reported?

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The answer is CPT Code 30300. The explanation behind this is a penny in the nostril is measured as a foreign object. In the CPT® Index, look up Nose/Removal/Foreign Body and it will directly lead you to the code 30300. The explanation of the code verifies that this is an elimination that would be performed in a doctor’s office

In order for an organism to survive it must do what.

Answers

I would believe it would be in order for an organism to survive it must have food and water. 

Answer:

to stay healthy

Explanation:

i took the k12 7th science quiz 1.02

Explain how new discoveries influence contemporary psychological perspectives

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New discoveries influence contemporary psychological perspectives because they provide new ways to look at things, or give new technology for new ways to diagnose problems and try to solve them.

Answer:

Explanation:

Psychology is the scientific study of mental and behavioral process and since past new discoveries have played crucial role in the development of these mental and behavioral process because discoveries provide new perspective which lighten up new and alternative route to look at different things. For example, discovery of fire and wheel in early stone age period left a psychological impact on the people of that era which slowly led to the evolution of human civilization.

A hypothetical poison prevents nucleoli from carrying out their functions which organelles would be affected by this poison what would the cell be unable to do

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The hypothetical poison prevents the nucleoli from carrying its function and the cell will be unable to produce ribosomes because nucleoli is responsible for producing ribosomes and when it is poisoned, it will likely prevent it from having to produce it in the cell.

How can habitat corridors be beneficial to species that need large areas in which to live and move around?

Answers

Answer:

A habitat corridor is an area of land that connects to populations and is separate from all human activities such as logging. It can be beneficial because if there were two populations that needed large areas of land they could connect for an even larger area and it would prevent the damaging effects of inbreeding.

Explanation:

A habitat corridor is an area of land that connects to populations and is separate from all human activities such as logging.

What is habitat corridor?

It can be beneficial because if there were two populations that needed large areas of land they could connect for an even larger area and it would prevent the damaging effects of inbreeding.

The term "corridor" is prone to misunderstanding and incorrect definition. A habitat corridor is defined by Beier and Noss (1998) as: a linear habitat embedded in a heterogeneous matrix.

A habitat corridor's significance can only be determined by the main habitat it connects. To reach their full potential, corridors depend on a network of already-existing but discontinuous natural areas (dechant).

Therefore, A habitat corridor is an area of land that connects to populations and is separate from all human activities such as logging.

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glucose,fructose,and sucrose are all carbohydrates. what elements make up all carbohydrates?

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All carbohydrates are made up of carbon, oxygen, and hydrogen.

The chemical formula for Glucose is [tex] C_{6} H_{12} O_{6} [/tex] .
The chemical formula for Fructose is the same as that of Glucose. The difference between the two is how they are structured.
The chemical formula for Sucrose is [tex] C_{12} H_{22} O_{11} [/tex] .

As you can see in the chemical formulas of Glucose, Fructose, and Sucrose, they are all made up of the elements carbon, hydrogen, and oxygen.

Carbohydrates are organic compounds made up of carbon (C), hydrogen (H), and oxygen (O) atoms.

Carbohydrates are organic compounds made up of carbon (C), hydrogen (H), and oxygen (O) atoms. The general formula for carbohydrates is Cn(H2O)n, where n represents the number of carbon atoms in the molecule. Glucose, fructose, and sucrose are all examples of carbohydrates.

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which of the following terms can be defined as the movement of water across a cell membrane?
a- exocytosis
b-osmosis
c-active tranport
d-facilitated diffusion

Answers

It's C-active transport

Answer:

b-osmosis

Explanation:

Osmosis is the movement of water that occurs within cells through a semipermeable cell membrane. This process is performed from a medium with lower water concentration to another with higher concentration.

In osmosis, the solvent (water) is passed from one medium to another across a cell membrane. This process does not cause energy waste and therefore osmosis is considered a passive transport. In the osmosis process, water, which is the solvent, tends to cross the semipermeable membrane in order to balance the solution concentration. This action is performed until the osmotic pressure is stabilized.

A biology student wants to conduct a study of how the amount of sunlight affects the length of sleep for mice. she sets up for cages with a mouse in each cage. what are the constants? what is the independent variable? what is the dependent variable? what data do you need to collect during this experiment?

Answers

The independent variable is the variable that is being changed in an experiment. It is also called the manipulated variable. In this case, it would be the amount of sunlight. The dependent variable would be the variable that is being studied. In this case it would be the length of sleep of the mice. The constants would be the variable that are supposed to have an effect on the dependent variable however it is held constant so as to clearly see the effect of the independent variable.

In the biology student's experiment, the constants include the cage environment and mice care conditions. The amount of sunlight is the independent variable, while the sleep length for the mice is the dependent variable. They must collect data on sunlight exposure and sleep length.

Variables in a Biology Experiment

When a biology student conducts an experiment to study the effects of sunlight on the length of sleep for mice, several components must be identified. The constants are the conditions kept the same across the experiment, such as the type of mouse, the environment within the cages aside from varying light, the mice's diet, and other care conditions.

The independent variable is the amount of sunlight that the mice are exposed to, as it is the condition being manipulated or changed. The dependent variable is the length of sleep for the mice, which is the observed outcome that may change in response to alterations in the independent variable.

To collect relevant data during the experiment, one needs to record the exact amount of sunlight each mouse receives (which potentially could be measured in hours of exposure or intensity of light) and the length of sleep for each mouse, quantified in hours or minutes of sleep.

the place in the lungs where the gases exchange is the

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The lungs alveoli. They are tiny sacs found the ends of the terminal bronchioles.

You are a sun worshipper, constantly sunbathing without sun screen or other protective devices. in addition you are a smoker. these together have significantly increased your chances of getting what disease?

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increases your chance of getting cancer. whether it's skin cancer from the sun's radiation or lung cancer from inhaled compounds in cigarettes.

Cells throughout the human body communicate with one another through the use of ______ messengers

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Cells throughout the human body communicate with one another through the use of chemical messengers. Cells that are in our bodies need a way to communicate and connect with each other. In order to achieve this, chemical messengers do the work of transmitting information from one part of the body to another.

Which is not a major similarity or difference between freshwater and marine ecosystems?

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The correct answers is this: OCEAN AND FRESH WATER SYSTEM CONDITIONS GENERALLY REMAIN CONSTANT THROUGHOUT THE YEAR.
It is not possible for the conditions in the ocean and the freshwater environment to be constant throughout a year, this is because these water bodies respond the changes in their environment on a daily basis.

anwser choice b

edgunity

In order for the growth rate to remain constant what must happen to the birth rate?

Answers

In order for the growth rate to remain constant, the birth rate must equal the death rate. This is the number of the population being born and the number of people dying. A birth replaces a death and vice versa, so if the birth rate and the death rate are the same, there are the same number of organisms total.

Final answer:

To maintain a constant growth rate, the birth rate must be equal to the death rate, achieving a balance where the population size remains stable. This scenario is typically reached in Stage 4 of population growth dynamics, where both birth and death rates are low, hence no significant change in population size occurs.

Explanation:

In order for the growth rate to remain constant, the birth rate must be equal to the death rate. This balance ensures that the population size stays stable over time. Population growth dynamics can be understood through different stages:

Stage 1 - High birth and death rates lead to slow population growth.Stage 2 - The death rate falls but the birth rate remains high, leading to faster population growth.Stage 3 - The birth rate starts to fall, slowing the population growth.Stage 4 - The birth rate and death rate reach the same low level, resulting in zero population growth.

At Stage 4, the key to maintaining a constant growth rate, which is essentially zero growth in this context, is having the birth rate decrease to match the lower death rate. This equilibrium prevents any significant increase or decrease in the total population size. Factors such as societal development, healthcare improvements, and policies like the One-Child Policy in China have been historical influencers on birth and death rates, affecting population stability.

Heritability of height is ______ if children have good nutrition and health care, but it is only ______ when they are malnourished.

Answers

Base on the researches and studies, the probability or the percentage of an individual to gain the heritability of the height is about ninety five percent, only if the individual is in good shape and in good nutrition but when a person is malnourished and weak, it will only be at twenty percent because heritability wouldn’t be applied as the body responds to a different simulation.

Final answer:

The heritability of height is higher when children have access to good nutrition and health care, underscoring the interaction between genetics and environment. Malnutrition lowers heritability, demonstrating the influence of environmental factors on physical development.

Explanation:

The heritability of height is higher if children have good nutrition and health care, but it is only lower when they are malnourished. This concept illustrates the interaction between genetics and the environment in determining physical traits like height. While genetics provide the potential for an individual's height, environmental factors such as nutrition and health care are crucial in realizing this genetic potential. Malnutrition can severely impact growth, preventing individuals from reaching the height they are genetically predisposed to. Conversely, adequate nutrition and health care support optimal growth and development, allowing the genetic factors that contribute to height to manifest more fully.

It's essential to understand that both genes and environment play significant roles in determining height. Studies estimate that approximately 60% to 80% of height variation can be attributed to genetic differences, with 20% to 40% down to environmental factors, predominantly nutrition. This interaction highlights the complexity of physical development and the critical role that a healthy environment plays in achieving genetic potential.

The fact that we have unicellular and multi cellar organisms underlines which properties of life?

Answers

The answer is "cells".

The simple difference between unicellular and multicellular organisms is that unicellular organisms consist of only one cell as opposed to multicellular organisms which are composed of multiple cells. Unicellular organisms are mostly not seen by human eye (though there are some which can be seen), one need to use a microscope to see them.

If jennifer wants to reduce the risk of having a baby with a birth defect caused by an environmental substance like drugs or alcohol, she should try her best to avoid these substances during

Answers

The entire time she's pregnant she should be careful on what goes in her body

Two beakers contain what are clearly identical amounts of a liquid. however, a child suddenly judges them as holding different amounts of liquid after the liquid in one beaker is poured into a shorter, wider beaker. the child apparently lacks a concept of _____. your answer:

Answers

The answer to this question would be: concept of conservation. 

The concept of conservation will make someone be able to tell whether a quantity is same even if put into a different container. Children will start to develop the concept in age 2 but the concept will be able to use it correctly at age 7-11. 

Which bonds are hydrolyzed during the breakdown of starch during digestion?

A.) 1 and 4
B.) 1 and 3
C.) 1 and 2
D.) 3 and 4
E.) 2 and 3

Answers

I'll choose A.
When starch is hydrolysed, the glycosidic bonds are broken down

A) 1 and 4

Alpha amylase is an enzyme which helps in the digestion of starch. Its digestion begins in the mouth.

Starch is a form of complex carbohydrate i.e consisting of multiple sugar units (polysachharides). It a mixture of amylose ( [tex]\alpha -1,4[/tex]  linked glucose polymers ) and amylopectin ( [tex]\alpha -1,4[/tex] linked glucose polymers branched by [tex][/tex][tex]\alpha -1,6[/tex] linkage)

Alpha-amylase performs the digestion of starch by hydrolyzing [tex]\alpha -1,4[/tex] glucosidic bond.

Which of the following statements does not accurately describe stem cells?

a. The use of stem cells may allow scientist to use undifferentiated cells to repair or replace bad cells.

b. the use of stem cells is without any objections since it can be used in therapies to help humans.

c. Embryonic stem cells make up te inner cell mass of blastocyst .

d. Adult stem cells are multipotent and can differentiate into types of cells .

Answers

Hello! The answers are not A or C, because those are true. Embryonic stem cells do make up the cell mass of the blastocyst and undifferentiated cells can repair or replace bad cells. Adult stem cells are not multi potent and can not differentiate into different types of cells. The answer is D.
The answer to this question would be B. the use of stem cells is without any objections since it can be used in therapies to help humans.
The use of stem cell has many controversies, mostly in the religious group that is pro-life. Since the cell of a zygote is totipotent and be able to differentiate into the most type of cell, it is better to use zygote cells. But some religions consider that cell is already human after fertilization, thus using zygote cells is considered as killing a human.
Human blood cell and umbilical cord are multipotent. There should be no pluripotent in the adult by default, but there is some research about induced pluripotent stem cell (IPSCS) in the adult.

This female patient with terminal carcinoma of the breast, metastatic to the liver, brain, and intrahepatic and extrahepatic bile ducts, was admitted with dehydration. patient dehydrated with ivs and discharged, with no treatment given to the cancer. what are the codes assigned

Answers

The codes that will be assigned to the patient with the stated conditions, undergoing the hydration via IV's and not being treated for the carcinomas are:

E86.0 - dehydration
G89.3 - neoplasm related pain
C50.111 - malignant neoplasm (for breast cancer)
C79.31 - secondary malignant neoplasm of kidneys
C78.7 - secondary malignant neoplasm of liver

Making rough estimates of physical quantities is useful so that

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Making rough estimate of physical quantities is useful because it allow us to have an idea of how big or small a quantity is, it gives us the near result of the real quantity a matter contains. The approximate quantity obtained will give us information about the size of the quantity.

The carbon dioxide absorbed by plants is an example of an ________ to a forest and an ________ from the atmosphere.

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Final answer:

The carbon dioxide absorbed by plants, such as those in forests, is an input to the forest ecosystem and an output from the atmosphere. The forest acts as a carbon sink, storing carbon, while the atmosphere acts as a carbon source, supplying carbon dioxide. The balance of these processes influences atmospheric carbon dioxide levels and climate change.

Explanation:

The carbon dioxide absorbed by plants functions as an input to a forest and an output from the atmosphere. This concept is part of the biological carbon cycle, where carbon moves between the atmosphere and various ecosystems. Plants, or autotrophs, absorb carbon dioxide from the atmosphere in a process known as photosynthesis, and incorporate this carbon into high energy compounds like glucose. Therefore, forests become carbon sinks as they lock away this carbon.

Meanwhile, the atmosphere functions as a carbon source, continuously providing carbon dioxide. The burning of fossil fuels, for example, releases vast amounts of carbon dioxide into the atmosphere, contributing to this carbon source. It's important to note that the rates of these processes greatly influence atmospheric carbon dioxide levels and thus impacts climate change.

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Evidence that Earth’s core has a high iron content comes from the study of _____.

Answers

the answer is meteorites 

Evidence that Earth’s core has a high iron content comes from the study of "meteorites".



Meteorites refers to the pieces of different bodies in our solar system that make it to the ground when a meteor or "falling star" flashes through our climate at velocities of 15 to 70 kilometers for each second (approximately 32,000 to 150,000 miles for every hour). The larger part begin from space rocks broken by contacts with different space rocks. In a couple of cases they originate from the Moon and, apparently, comets and the planet Mars. Shooting stars that are found after a brilliant occasion has been seen are known as a "fall," while those found by chance are known as a "discover." Meteorites are normally named after a town or an expansive geographic milestone nearest to the fall or find, aggregately named regions. "Meteorite" can allude to an individual example, to those gathered inside a strewnfield, or to a particular territory.

Since vitamin a and carotenoids are bound to proteins in foods, ___________ is necessary to release them for absorption.

Answers

The answer is _Pepsin_.

Hope this helps


Herbivores typically have monocular vision to allow them a wider range of vision, which helps them elude predators. What type of adaptation is this?

Answers

I just took the test the answer is (B) Physiological. I put in Biochemical the first time and got it wrong.

Answer:

Physiological

Explanation:

Physiological adaptations are adaptations that an individual undergoes during his or her lifetime and are associated with the organism's functioning in response to environmental variables - such as the monocular vision that exists in herbivores that need a broad view of their environment. These adaptations are not always passed on to offspring (in the case of monocular vision, they are). When physiological adaptation is not passed offspring is called acclimatization.

A client in the ambulatory care clinic is experiencing shortness of breath and facial and throat edema while receiving a pegloticase infusion. what is the nurse’s best action?

Answers

If a client in the ambulatory care clinic begins to experience shortness of breath and facial and throat edema while receiving a pegloticase infusion a nurse's best action would be to notify emergency personnel.

Thylakoids are membrane sacs that contain what?

Answers

Thylakoids contain the components needed for photosynthesis. They are the flattened sacs in the chloroplast where the membranes where the light reactions take place for photosynthesis, the process by which light energy is converted into chemical energy.

chlorophyll is the answer

Is being in a "habitable zone" enough to say the planet is habitable for human life? What characteristics would an Earth-like planet need to have to support life? What challenges would we face traveling to and colonizing Kepler-186f, or other Earth-like planets outside of our solar system? Do you think scientists should spend time looking for Earth-like planets before we have the technology to visit them? Why or why not?

Answers

It would need oxygen, plant-life, a suitable climate, as well as h20
It is not. Habitable does not mean to humans but in general to life forms. It just means that the range of orbits around a star within which a planetary surface can support liquid water given sufficient atmospheric pressure and that some form of organic life could develop, but this does mean that humans could live in them. They should definitely spend more time looking at them because the processes in those planets might be harmful to humans so humans shouldn't just try to visit them before understanding them.

Starfish, flatworms, and sponges may be cut into pieces, and the individual parts will grow new individual animals by means of the process of _____.

Answers

Starfish, flatworms, and sponges may be cut into pieces, and the individual  parts will grow new individual animals by means of the process of fragmentation.

Answer: Fragmentation

Explanation: Fragmentation is also known as splitting, is a method of reproduction, mostly occurring in many organisms ranging from molds, lichens, many plants, and animals such as sponges, and worms, that involves the breaking up of an organism's body into two or more body parts known as fragments and each fragment growing into a full individual organism.

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The composer and lyricist for "seussical" also teamed up to create music for which broadway musical? Select all that apply. Which of the following should be included in a thorough critique of a short story? summarize the plot briefly briefly give author's background develop strengths of minor characters give strengths and weaknesses point out examples of style give detailed plot summary identify characters make the conflict clear keep objective and opinion free recommend to certain type of reader Deliver oxygenated blood to all areas of the body and return the blood that is full of waste products the heart muscle is fed by arteries that encircle the heart Compare the life of a farmer and the life of a merchant in an ancient world.Describe how both occupations contributed to the economies of ancient civilizations ANSWER AS FAST AS POSSIBLE PLEASE What are the necessary criteria for a line to be perpendicular to the given line and have the same y-intercept? The slope is and contains the point (0, 2). The slope is and contains the point (0, 2). The slope is and contains the point (0, 2). The slope is and contains the point (0, 2). What is the best example of a narrative? A.A description of the interior of a house B.A comparison of two popular songs C.A play-by-play account of a hockey matchD.A dictionary of mythological creatures An airplane travels at 950 km/h. how long does it take to travel 1.00km? in hours Workers were attracted to industrial cities because A fan is to accelerate quiescent air to a velocity of 8 m/s at a rate of 9 m3 /s. determine the minimum power that must be supplied to the fan. take the density of air to be 1.18 kg/m3 Which type of tax does the federal government collect The inner planetsMercury, Venus, Earth, and Marsare believed to have been formed by _____. Need answer to number six in this photo Write a sentence for each of the four present tenses using the subject "I" and the verb "draw." Which subatomic particle is the identity of the atom and why? Why was the Three-Fifths Compromise necessary? In what meter were the early christian hymns written in a homework routine is a set schedule designed by B) why were the founding fathers so adamant that the government be balanced between the people, the states, and the federal government Jesse and her brothers nick and owen are saving money over the summer each week, jesse saves twice as much as owen. Owen saves $5 more than nick. At the end of four weeks, the three of them have saved a total of $220. How much money does each person save per week? Find the value of y in this equation: 16y = 164 Steam Workshop Downloader