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>
The answer above is major depressive disorder. It is because of this disability, it has brought numerous cases in United States and in the same time, it leads people to do unnecessary things such as suicide because of exhibiting this mental disorder. That is why major depressive disorder is the leading cause of disability.
Answer:
48 to 72 hours after admission and within 10 days after hospital discharge.
Explanation:
develop during hospitalization
What are the options? probably damaged teeth, damaged digestive system, etc. could be possible answers
