________ is a general term for pain and stiffness that affects the skeletal or muscular system.

The tabular form in which all the elements are arranged according to their atomic numbers, masses and grouped according to their properties are called the periodic table.

1. The three ways by which the elements are arranged in the table are:

The elements are grouped based on:

2. The three characteristics table lists for elements are:

4. Atomic number: In the nucleus of an atom of an element the number of protons present is called the atomic number.

5. Atomic number helps in locating a given element in the table and tells about the number of protons and electrons present in it.

6. Atomic mass is the total number of neutrons and protons present in the nucleus of an atom of an element.

7. To find the number of neutrons subtract the atomic number from the atomic mass.

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Oncology!. Oncology is a branch of medicine that deals with the prevention, diagnosis, and treatment of cancer or tumors.

In the lysogenic cycle, viral DNA is replicated along with the host DNA. Therefore, option D is correct.

The lysogenic cycle is one of the two primary cycles in viral replication. In this cycle, viral DNA integrates into the host cell's DNA after the virus infects a host cell. Then it takes over the host's machinery and causes cell lysis. This integrated viral DNA is referred to as a prophage.

The integrated viral DNA (prophage) is replicated along with the host cell's DNA during normal cellular replication. The viral DNA is passed on to daughter cells each time the host cell divides.

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Answer:

calculate the variations in the position of the star due to movement of Earth in its orbit

Explanation:

Cube-shaped bones that contain mostly spongy bone are called "short" bones.

Irregular Bones: These bones have complex shapes that don't fit into the categories of long, short, or flat bones. They contain mostly spongy (cancellous) bone tissue with a thin outer layer of compact bone. The spongy bone provides strength and support while also being lighter in weight. Examples of irregular bones include the vertebrae (in the spine) and some bones of the skull, such as the sphenoid and ethmoid bones.

Short Bones: Short bones, as the name implies, are roughly cube-shaped bones. Unlike irregular bones, they consist of a thin layer of compact bone surrounding a larger amount of spongy bone. The spongy bone in short bones helps provide shock absorption and distribute forces during weight-bearing activities. Examples of short bones include the bones of the wrist (carpal bones) and ankle (tarsal bones).

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If the ovum is not fertilized estrogen production decreases and the lining of the womb is shed.

Further Explanation:

Female reproductive organ are found in the pelvis region which release egg during menstruation cycle. The menstruation cycle starts with the day one of first menstruation and last at the first day of next menstruation cycle.

The cycle includes three phases;

     •  The follicular phase

     •  The ovulatory phase

     •  The luteal phase

The luteal phase is the part in which change in the hormonal level and fertilization of the egg take place. It will last for twelve to fourteen days. If the egg is fertilized by a sperm, it will attach to the lining of the uterus and the placenta develops. If the ova is not get fertilized with sperm than the lining of the uterus sheds and remove during menstruation. Corpus luteum is formed once the ovum is released from ovary. It helps in secreting the hormones estrogen and progesterone. If the ova don’t get fertilized than the corpus luteum will reduce in size and die and become a small piece of lump. The end of the menstruation cycle resulted in decrease in estrogen and progesterone level and the decrease in progesterone level leads to the shedding of the lining of uterus which is no longer needed.

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     •   Learn more about after an egg is released from the ovary, the grafian follicle becomes https://brainly.com/question/4189307          

     •   Learn more about human sperm cells and egg cells https://brainly.com/question/1626319                        

     •   Learn more about the duration of survival of sperm in the female reproductive tract https://brainly.com/question/9813796

Answer Details:

Grade: High School

Subject: Biology

Chapter: Human Reproduction

Keywords:

Reproductive organ, ovaries, pelvis, fertilized, uterus, menstruation, follicular, ovulatory, luteal, corpus luteum, estrogen, progesterone.

Minute ventilation is the air forcefully exhaled in one minute and is calculated by multiplying the respiratory rate (RR) by the tidal volume (TV). Therefore, option A is correct.

The respiratory rate refers to the number of breaths taken per minute. It represents the frequency at which a person inhales and exhales. The unit typically used for respiratory rate is breaths per minute (bpm).

Tidal volume represents the air inhaled or exhaled in a single breath during normal breathing. It is the air moved in and out of the lungs with each respiratory cycle. The unit typically used for tidal volume is milliliters (mL) or liters (L).

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Ans. (C).Progesterone promotes fertility because its levels rise during ovulation and immediately after.

Progesterone is a female sex-hormone, produced in the ovaries right after ovulation and its level rise immediately after ovulation (as shown in graph). A thick, and proper uterine lining is important for the implantation of zygote in the uterine wall.

Progesterone has the most influence on a secure pregnancy as it promotes the thickening and maintenance of uterine lining. Low levels of progesterone makes it difficult to get pregnant as zygote cannot implant properly.

Thus, the correct answer is option (C).

The process of strengthening and weakening of synaptic connections based on their usage is known as Synaptic Plasticity, central in learning and adaptation. Relatedly, Neurogenesis involves generation of new neurons, impacting learning and memory. Both contribute to Neuroplasticity.

A neuroscientist would identify the process you've described as Synaptic Plasticity. Synaptic plasticity refers to the ability of synapses to strengthen or weaken over time, based on the amount of activity they are exposed to. This process is intricately linked with our ability to learn, remember, and adapt. It is the core mechanism of how our brains interpret and respond to the world around us. For instance, when a baby uses language, the synapses associated with these actions strengthen. Contrarily, those that aren't utilized as often will weaken, allowing other pathways to take over or causing them to disappear completely.

Another related concept is Neurogenesis, the process through which new neurons or nerve cells are generated. This can also impact learning and memory since new neurons develop in the hippocampus, a region of the brain involved in these processes, every day. Both synaptic plasticity and neurogenesis form the basis of Neuroplasticity, the ability of our brain to reorganize itself and form new neural connections throughout life.

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For the Yanomamo, the most important source of nutrition for them is cooking plantains or bananas. The main crops that they usually cultivate are bananas and cassava which are planted in their gardens. When the men are known to be hunters, fishers and horticulturists, the women are the ones who cultivate their land or gardens. The diet of the Yanomamo are usually low in edible salt. 

life is very important

CD8 T cells provide cell-mediated immunity by directly attacking and killing infected cells. CD4 T cells coordinate and regulate the immune response, and can also become memory T cells. CD8 T suppressor T cells help regulate the immune response by inhibiting the activity of other immune cells.

CD8 T cells, also known as cytotoxic T cells or killer T cells, provide cell-mediated immunity by directly attacking and killing infected cells in the body. They recognize and bind to antigen-presenting cells that display fragments of pathogens on their surface, and release cytotoxic proteins to destroy the infected cells.

CD4 T cells, also known as helper T cells, provide cell-mediated immunity by coordinating and regulating the immune response. They recognize antigens presented by antigen-presenting cells and activate B cells to produce antibodies or stimulate CD8 T cells to kill infected cells. CD4 T cells can also become memory T cells, which provide long-term immunity and remember previous infections.

CD8 T suppressor T cells help regulate the immune response by inhibiting the activity of other immune cells. They play a role in preventing excessive immune responses that can lead to autoimmune diseases or allergies.

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T cells provide cell-mediated immunity. Among them cytotoxic T cells destroy virus-infected cells, helper T cells facilitate antibody and cell-mediated immune responses, and suppressor T cells keep the immune response balanced. Memory T cells recognize the pathogen upon future exposure and trigger rapid immune responses.

The cells that provide cell-mediated immunity are T cells or T lymphocytes, a type of white blood cell. There are different types of T cells with unique functions: cytotoxic T cells destroy virus-infected cells, helper T cells activate antibody and cell-mediated immune responses, and suppressor T cells deactivate T and B cells as needed to keep the immune response in balance. Furthermore, memory T cells, generated during primary adaptive immune response, play a critical role in recognizing the pathogen upon subsequent exposure and mount rapid responses.

Cytotoxic T cells are particularly crucial against viral infections as viruses replicate within cells where they are shielded from contact with circulating antibodies. On the other hand, memory T cells persist for a long time, even a lifetime, allowing for a rapid secondary adaptive response upon re-exposure to the same pathogen. This helps in preventing symptoms and disease.

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Answer: those with blood and with out

Explanation:

The complex carbohydrate form of a sugar that is stored in the liver and muscles is polysaccharides. They are long chain sugar units and are polymers of monosaccharides. Polysaccharides were room form of carbohydrate in human and some animals, similar in construction to starch but more branches, can break off a glucose simply with branches because enzymes start at the outside and undetectable in meats because glycogen breaks down as soon as animal is slaughtered.  The three main polysaccharides related to the human nutrition includes the following: 1. Starch that is an energy source obtained from plants. 2. Cellulose that is structural polysaccharides in plants and when consumed acts as a dietary fiber. 3. Glycogen that is a storage form of glucose in the human liver and muscles. 

Glycogen is the complex carbohydrate that is stored in the liver and muscles, serving as a primary form of energy storage in humans and other animals.

The complex carbohydrate form of a sugar that is stored in the liver and muscles is glycogen. Glycogen is a polysaccharide of glucose, serving as a vital form of energy storage in both animals and fungi. In humans, glycogen gets synthesized and stored predominantly in liver and muscle cells. When there is a need for energy, glycogen can be broken down into glucose during a process called glycogenolysis, which provides fuel for cells. Notably, glycogen helps maintain glucose homeostasis in the bloodstream, being broken down to supply glucose when blood glucose levels dip too low or being synthesized from excess glucose when blood glucose levels are too high.

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Structures as different as human arms, bat wings, and dolphin flippers contain many of the same bones, which develop from similar embryonic tissues. These structural similarities are an example of homologous structure.

A homologous structure is an organ or bone that appears in multiple animals, emphasizing physical similarities that demonstrate ancestry from a common ancestor.

In other words, it occurs when bones from very diverse animals appear to be very similar in form or function and appear to be linked. The wing of a bat and the arm of a human are two classic examples of homologous structures.

Both have similar internal bone structures, and their evolutionary origins as mammals are clear.

Therefore, the structural similarities are an example of homologous structure.

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Answer:

I think it's B

Explanation:

The answer is Do living organisms change over time and, if so, how?

Athletes diagnosed with mono are typically held out of all physical activity for around 4 weeks to prevent complications such as a swollen spleen and ensure full recovery. The option (D) is correct.

Athletes who are diagnosed with mononucleosis, commonly known as mono, are typically advised to refrain from all physical activity for a certain period to prevent complications such as a swollen spleen. A blood test can confirm the diagnosis of mono, and the illness usually resolves within two to four weeks.

However, athletes are often held out of physical activity for about 4 weeks after diagnosis to ensure they have fully recovered and to minimize the risk of spleen injury. While serious complications are rare, treatment focuses on symptom relief and includes pain and fever medication, warm salt water gargles, and an emphasis on rest and fluids.

This question is not complete, Here I am attaching the complete question:

Athletes with mono are typically held out of all physical activity for a period of _______ after diagnosis.

a) 1 week

b) 2 weeks

c) 3 weeks

d) 4 weeks