The correct answers for the given statements are explained below.
Explanation:
Two concepts are used here. One is warm up and the other is cool down. Warm up is doing some physical activity which prepares the body for the high intensity workout. Cool down is the process of calming the body down after completing the cardiovascular workout.
Matching the given statements as below:
- begins to increase the heart rate: Warm up
- allows the greatest stretching of muscles: Cool Down
- begins to slow down the heart rate:
Cool Down
- lubricates the joints of the body:
Warm up
- helps remove the waste products from the muscles:
Cool Down
- helps prevent muscle tears: Warm up
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Eating and digesting food maybe?
The hiv protein that is involved in attachment of the virus to cell surface proteins on the macrophage is Gp120.
The virus's capacity to cling to cell surface proteins on macrophages contributes to its ability to survive in the body. The CD4 component of the cell surface is particularly attractive to this HIV protein, gp120. It is difficult for immune system cells (macrophages) to eradicate or remove HIV infection when gp120 attaches to CD4 strongly enough.
<h3>What is HIV infection?</h3>
HIV infection is the presence of HIV in the body. It can be contracted through contact with blood or other bodily fluids that contain the virus, such as sexual fluids. Once infected, it becomes virtually impossible to recover from and requires long-term treatment.
There are a number of ways that you may become infected with HIV, including receiving contaminated blood products, sharing needles for drugs or tattoos, being exposed to open wounds where there may have been mucous discharge from an AIDS patient, or engaging in unprotected sex with someone who is infected.
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Hi !
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<em>would a apple fulfill your daily amount of Vitamin A ?</em>
<em>No</em>
- minerals and trace elements: potassium, phosphorus, zinc, copper, manganese.
- vitamin C, B vitamins, vitamin E, vitamin A; in moderate amounts however.
The northern lights, or aurora borealis, offer an entrancing, dramatic, magical display that fascinates all who see it — but just what causes this dazzling natural phenomenon?
At the center of our solar system lies the sun, the yellow star that sustains life on our planet. The sun's many magnetic fields distort and twist as our parent star rotates on its axis. When these fields become knotted together, they burst and create so-called sunspots. Usually, these sunspots occur in pairs; the largest can be several times the size of Earth's diameter.
At the center of the sun, the temperature is 27 million degrees Fahrenheit (15 million degrees Celsius). As the temperature on its surface rises and falls, the sun boils and bubbles. Particles escape from the star from the sunspot regions on the surface, hurtling particles of plasma, known as solar wind, into space. It takes these winds around 40 hours to reach Earth. When they do, they can cause the dramatic displays known as the aurora borealis. [Infographics: How the Northern Lights Work & Anatomy of Sun Storms & Solar Flares]
