Which type of cell lines the cavities and surfaces of blood vessels and organs?

neuron
epithelial cell
muscle cell
blood cell

Answers

Answer 1
Epithelial cells line the cavities and surfaces of blood vessels and organs. 
Answer 2

Answer:

The correct answer would be the epithelial cells.

Explanation:

Epithelium cell forms one out of 4 basic types of animal tissue lines, along with muscle tissue, connective tissue, and nervous tissue. Epithelial cells line the outer surfaces of blood vessels and organs throughout the body.

These cell lines also present inner surfaces of cavities in many internal organs. Epithelial tissue present on a basement membrane acts as a scaffolding that assists epithelium to grow and regenerate after injuries.

Thus, the correct answer would be the epithelial cells.


Related Questions

Used medically, narcotics are _____ habit forming.

Answers

Final answer:

Narcotics used medically are highly habit-forming and can lead to drug addiction.

Explanation:

Narcotics, when used medically, are highly habit-forming. They can lead to drug addiction, which is the compulsive use of a substance despite negative consequences that may arise from such use. Prescription pain relievers like oxycodone and vicodin, as well as illegal drugs like heroin, are examples of narcotics that have the potential to cause addiction.

A _____________ is a professional who draws blood for tests, transfusions, donations and research.

Answers

The professional in charge of extracting samples of blood for tests is called phlebotomist, they are also the biochemists that extract the blood sometimes but exclusively corresponds to the phlebotomist. Doctors and nurses are also trained to draw blood, but this work belongs to the phlebotomist who is the professional in charge of this.

In what type of organisms can genetic information flow from rna to dna?

Answers

the correct answer to this is viruses

written description of how carbon moves through the biosphere, atmosphere, hydrosphere, and geosphere.

Answers

Carbon is present in the biosphere and other systems of the planet and is an essential part of life. Carbon moves through these systems by feeding the heterotrophs of other organisms, through the consumption of dead organisms. When oxygen is present, there is aerobic respiration, which releases carbon dioxide into the surrounding air or water. It plays an important role in the structure, biochemistry, and nutrition of all living cells.

The discoveries of these men lead to development of what theory?

Answers

Final answer:

The discoveries by Greek scientists led to the development of the atomic theory, which was later empirically proven with modern chemistry. Other significant contributions during the Enlightenment and modern era, including Darwin's theory of evolution, also represent major developments in science that were influenced by observation and theoretical framework.

Explanation:

The discoveries made by Greek scientists, and their use of inductive reasoning to create theories based on observations of natural phenomena, were essential in the development of the atomic theory. This theory, initially proposed by Greek philosophers Leucippus and Democritus, suggested that everything is made up of tiny particles called atoms. Although it took centuries and the advent of modern chemistry for the atomic theory to be empirically proven, these early contributions paved the way for our current understanding of matter and its composition.

In addition to atomic theory, other scientific and philosophical advancements during the Enlightenment and modern era, including Charles Darwin's theory of evolution, have been fundamental in shaping the scientific field. Whereas Darwin's work provided a systematic explanation for the existence of fossils and biological adaptation, setting the groundwork for modern biology and genetics. Collectively, these historical scientific achievements demonstrate the power of observation and theory in advancing human understanding of the natural world.

The majority of mass in living things come from 6 elements. From the options below select 4 elements that are most commonly found in a living things.

A.) Sodium
B.) Sulfur
C.) Nitrogen
D.) Chlorine
E.) Potassium

Answers

carbon, hydrogen, oxygen and nitrogen are the 4 most commonly found in living things.

All cells, prokaryotic and eukaryotic, have a few common features. which cell feature is found in both prokaryotic and eukaryotic cells?

Answers

Final answer:

Prokaryotic and eukaryotic cells, despite their differences, share four common structures: a plasma membrane, cytoplasm, genetic material (DNA and RNA), and ribosomes.

Explanation:

Prokaryotic and eukaryotic cells, despite their differences, share a few common structures or features. The four common structures present in both prokaryotic and eukaryotic cells are: the plasma membrane, which functions as a barrier for the cell; the cytoplasm, which is the jelly-like substance inside the cell; genetic material (DNA and RNA) that provides the genetic blueprint for the cell; and ribosomes where protein synthesis takes place.

For instance, both eukaryotic cells (like animal and plant cells) and prokaryotic cells (like bacterial and archaean cells) have these features. Irrespective of the cell category - cocci (spherical), bacilli (rod-shaped), or spirilli (spiral-shaped) for prokaryotes, or the variety of shapes and types in eukaryotes, this consistent characteristic persists.

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Why are carbon dioxide concentrations expected to increase?
a. Carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase.
b. Carbon dioxide concentrations are expected to increase, because of an increase in agriculture.
c. Carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use.
d. All of the above

Answers

The correct option is (d). Carbon dioxide concentrations are expected to increase because fossil fuel burning is expected to increase, an increase in agriculture, & more land will have to be cleared for increasing populations and agricultural use.

Carbon dioxide (CO₂) concentrations are anticipated to rise due to multiple factors.

The burning of fossil fuels for energy, transportation, and industry releases large amounts of CO₂, significantly contributing to greenhouse gas emissions. Increased agricultural activities, including livestock farming and rice paddies, produce methane and CO₂. As populations grow, more land is cleared for agriculture and urban development, leading to deforestation. Trees and plants absorb CO₂, so their removal means reduced CO₂ sequestration and more CO₂ in the atmosphere. Collectively, these factors exacerbate the greenhouse effect, trapping heat and contributing to global warming.

Addressing these issues requires integrated strategies, including transitioning to renewable energy sources, improving agricultural practices, and promoting reforestation and sustainable land use.

What kind of inhibitor is a transition state analog usually classified as? noncompetive inhibitor?

Answers

Final answer:

A transition state analog is classified as a competitive inhibitor, not a noncompetitive inhibitor, because it competes with the substrate by structurally mimicking its transition state during an enzyme-catalyzed reaction.

Explanation:

A transition state analog is commonly classified as a type of competitive inhibitor. This is because it structurally mimics the transition state of a substrate during an enzyme-catalyzed reaction. It competes with the substrate by binding to the active site of the enzyme, thereby inhibiting the enzyme and slowing down the reaction rate.

Essentially, it's not a noncompetitive inhibitor because a noncompetitive inhibitor changes the shape of the enzyme's active site by binding elsewhere, thereby preventing the substrate from binding.

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____ are the cells in the nervous system that interconnect information processes. neuron dendrite pons

Answers


Neurons are the main cell of the nervous system which is responsible for communication of organs and control of many bodily functions. Neurons transmit electrochemical signals which are known as neurotransmitters and neuromodulators that act as messengers for sensory input and motor output.
Also, the nervous system is composed of two main branches which are the central nervous system and the peripheral nervous system. The central nervous system is composed of the brain and spinal cord whereas the peripheral nervous system is composed of the nerves around the body.

The property of the cell membrane that allows some molecules to pass and not others is called

Answers

Answer:  "selective permeability" .
_______________________________

Trichotillomania is an obsessive-compulsive-related disorder that has _____ as the main symptom.

Answers

The answer is hair-pulling.

Answer:

The main symptom is hair-pulling, usually of the scalp, eyelashes, and eyebrows.

I myself have trichotillomania so I personally know what it´s like.

An 83-year-old woman is placed at a small table in a dark corner of a trendy nightclub and is ignored by the staff. her shoddy treatment is probably due to her age, which is a(an) ______________ status.

Answers

This is an ascribed status. These are the characteristics and parts of one's being that are attained at birth or given to them later in life without their control. Age, sex, race, ethnicity: all of these characteristics are largely out of a person's control and are ascribed to them from the time they are born.

The elderly woman's poor treatment is due to her ascribed status of age, leading to ageism. Ageism involves discrimination and stereotyping that result in unequal treatment and can affect health, healthcare, and financial security for the elderly.

The 83-year-old woman's shoddy treatment at the nightclub can be attributed to her ascribed status, which is a position in society that one is given involuntarily, often based on characteristics such as race, ethnicity, gender, and age. In this instance, the woman's age is an ascribed status that has likely led to her experiencing ageism. Ageism involves stereotypes and discriminatory practices that result in unequal treatment of individuals because of their age. In many societies, including the United States, there are negative stereotypes about older adults being incompetent, physically weak, and unattractive.

Thus, the elderly, especially women and people of color, often face additional challenges related to health, healthcare, and financial security, which are compounded by a lifetime of inequalities. This not only affects their experiences in social settings like nightclubs but also has serious implications for their overall quality of life.

Cyanobacteria can make their own food because they contain what
Unscarable this word
Prhhlllooyc

Answers

Cyanobacteria can make their own food because they contain chlorophyll. 

Is the cell wall or cell membrane composed of two layers of lipids and proteins?

Answers

The cell membrane is composed of two layers of lipids and proteins. These two layers are responsible for what is allowed to leave and enter the cellular membrane.

Science has shown how information can only be gathered by the known laws of physics and chemisty.

true or false

Answers

I would say the answer is false because they also used information of science to help make things like medicine and fungi and fossils, one of the main things science was used for was chemistry and physics to determine what things could kill humans in the world back in the day.


Hope this helps, Have a good day:), ~Nana!~

A group of students is trying to guess which organism their teacher is thinking of by asking her a series of questions. One of the students asks if the cells of the organism contain ribosomes. Will the teacher's answer help her students shorten the list of possible organisms?

Answers

It will not help the students shorten their list being every living organism is composed of cells and all cells contain ribosomes in order to function properly.

Answer:

Explanation:

I don't think so that teacher's answer going to help her students in shorten the list because every living organism on this planet is composed of cells and cells of organism contain small organelle. For example, Elephant contain these small organelle and even single celled organism such as prokaryotic cell also contain this small organelle within it's cell.

If the na+ voltage-gated channels in a muscle cell open, what will be the result?

Answers

If the Na+ voltage-gated channels in a muscle cell open, the Na (sodium) ions rush inside the muscle cell and makes the cell more positive as Na ions carry positive charge on it. Due to the entry of positively charged ions inside the cell, the cell becomes less negative and more positive. This is called depolarization of cell.
If Na+ voltage-gated channels open, Na ions will enter the cell and make it less negative or more positive. The neuromuscular junction is a chemical synapse. ... This action potential is propagated along the sarcolemma of the muscle fiber, which triggers sliding of the myofilaments for muscle contraction.

In adults, ________ marrow fills the central canal of long bones, and ________ marrow is found in the epiphyses of long bones

Answers

Yellow marrow fills the canals of long bones, and red marrow is found in the rounded ends of long bones (for example, the femur). Red marrow is made up of components of blood (red & white blood cells, platelets), while yellow marrow is primarily composed of fat cells.

The noble gas present in relatively large concentrations in the atmosphere is

Answers

The noble gas present in relatively large connections in the atmosphere is ARGON
Final answer:

The noble gas present in relatively large concentrations in the atmosphere is Argon. It makes up about 0.93% of the Earth's atmosphere and is the most abundant among the noble gases.

Explanation:

The noble gas that is present in relatively large concentrations in the atmosphere is Argon (Ar). This is because Argon makes up about 0.93% of the Earth's atmosphere, making it the most abundant noble gas. The noble gases are typically unreactive due to their full electron shells and include Helium, Neon, Argon, Krypton, Xenon, and Radon. Of these, Argon is the most common in our atmosphere due to its stability and the fact that it is produced in significant quantities through the radioactive decay of Potassium-40.

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What happens to the electronegativity as you go down a column or group?

Answers

On the periodic table the electronegativity of the element decreases

If planets do not produce their own light, how are we able to see mars and Venus in the night sky

Answers

The Sun reflects light off of the planets and moons.

Most stars have planets moving around them. Planets are round objects that orbit a star. They don't create their own light. They only reflect light from stars.

Reflect - to bounce back

A nurse is caring for a pregnant client in her second trimester of pregnancy. the nurse educates the client to look for which danger sign of pregnancy needing immediate attention by the primary care provider

Answers

chronic backache

The nurse should provide preventive measures for chronic backache as a consequence of lordosis when caring for this client. Chloasma is characterized by darkened areas on the face, particularly over the nose and cheeks. It is also known as the mark of pregnancy. Chloasma is not caused by lordosis. Diastasis occurs as the pregnancy progresses when the rectus muscle stretches to the point that it separates. It is not caused by lordosis. Edema in lower extremities occurs due to an impeded venous return caused by pressure of growing fetus on pelvic and femoral areas. It is not caused by lordosis.

A 39-year-old woman was the victim of a violent assault 1 year ago and, in the ensuing period, has developed the symptoms of posttraumatic stress disorder (ptsd). additionally, she has become heavily dependent on alcohol and required multiple visits to the emergency department for alcohol poisoning. what category of dual diagnosis does this client exhibit?

Answers

This category of dual diagnosis would fall under the primary diagnosis of a major mental illness, which is the PSTD, along with a secondary diagnosis of substance related disorder, which would explain her dependency on alcohol which can connect to her primary mental illness. 

how is protein different from carbohydrate

Answers

Salutations!

Protein is different from carbohydrate due to its chemical structure. Protein
contains only of nitrogen, oxygen, carbon, hydrogen. Carbohydrates consists of only 3 chemical compositions: oxygen, carbon, hydrogen. Also, when protein is broken down into the basic units,  its is broken down as amino acids, while carbohydrates is broken down as sugar.

Hope I helped (:

Have a great day!

Answer:

Proteins:

Proteins are composed of amino acids (which contain hydrogen, oxygen, sulfur, nitrogen, and carbon). They are also known as building blocks because they are mainly used for building the structure of the body. Proteins are the raw material that is used to maintain (buildup) healthy body cells and function properly.

Carbohydrate:

Carbohydrate is an organic compound (which contains carbon, hydrogen, and oxygen). carbohydrate is composed of sugar. They are mainly needed by the body for energy. Carbohydrates main purpose is to provide fuel to the body.

what region of the brain is responsible for complex thinking such as memory, speech, emotion, planning, and reasoning

Answers

Well, the answer would be The Frontal Lobe

In the offspring resulting from an f1 testcross, what percentage of recombinant phenotypes is expected if the genes under study are independently assorting?

Answers

A testcross is used to predict the genotype of an organism. It determines whether the genotype of an organism is homozygous or heterozygous.
If the genes under the study are independently assorted then genotype of the F1 generation will  be:

AA for dominant homozygous parent  X  aa for recessive homozygous parent
F1 = All four progeny with Aa genotype

Cross between offspring resulting from F1 testcross will produce:

Aa  X Aa
F2 = One progeny with AA, one progeny with aa, two progeny with Aa (recombinant)
Answer: In the offspring resulting from an F1 testcross,  "50%" of recombinant phenotypes is expected if the genes under study are independently assorting.

A group of paleontologist were studying sedimentary rocks in the Rocky Mountains of North Carolina . What order of organisms would they find in the layers of these sedimentary rocks

Answers

Newest organisms are at the bottom and the oldest organism is in the topmost layer of the sedimentary rocks.

Hormones can interact with virtually any cell in the body except for the white blood cells.
a. True
b. False

Answers

False. Hormones like estrogen interact with a white blood cell called T-cell. T-cells are cells that produce interleukin 2 which can be suppressed together with NK cells if the hormone estrogen is produced excessively. This is because having a very high or low estrogen can affect your immunity system. 

What are the parts of a neuron? what is the main function of the neuron, and which special neuron parts help with this? neuropsychology?

Answers

Neurons have three parts that carry out the information and integrations and these three are dendrites, axons, and axon terminals. The key function of the neuron is to send, receive, and infer information from the body. The special neurons - axon sends info away and the dendrites receive.

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