ingests food that contains living bacteria.
Um can u be more specific?
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>
I did this the other day I’ll try to remember
The man will win.
<span>Women are more affected by alcohol than men, because women have less alcohol dehydrogenase activity than men (except for males with chronic alcoholism).</span>
