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: this question is opinionated so I'm just winging it for you-
I would not mind because I don't really want to have kids. If they were upset about it and it was affecting their mental health, I would then in that case feel empathy towards their pain and support them the best I could.
Answer:
D. Pulmonary circulatory loop
Explanation:
The Pulmonary circulatory loop transports the blood between the heart and the lungs only. In this pulmonary loop deoxygenated blood the heart through the right ventricle and goes through the pulmonary trunk. The pulmonary trunk splits inside the right and left pulmonary arteries.
Arteries have oxygenated blood inside of them.
Answer:
are you are tagalog amp sorry i don't anther stand
Answer:
the answer is shoulder circles
