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>
These seedless plants are burned to form coal.
This is a tuff question because there are a lot of drugs that if misused could cause this problem. I wish this was multiple choice. But im going with "Oxycodone" as my answer
Answer:
Explanation:
. There are two important ways to involve people affected by a problem in helping to solve the problem. ... different needs and ideas than does her daughter, even though the issue of teenage ... In other words, don't expect them to support your initiative unless you're ...
Answer:
The answer is" Carrying Capacity".
Explanation:
I took the quiz.