The second statement best explains the type of blood vessel and the function of these vessels' valves - <span>These are veins, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart.
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Veins are large blood vessels which carry blood back to the heart. <span>Veins have a system of valves to prevent back-flow.</span>
Answer: Eating good nutrition can help you perform your vest in any physical activity.
Explanation:
Can help control your weight, and helps improve circulation.
A food handler should stop working until it has no more signs of infection. Or wear long gloves that go up their arms. I hope this is what you want.
The most reliable source of medical health information is always a physician. Although certain websites can contribute accurate information they are not always as detailed as a physician.
