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Serggg [28]
3 years ago
5

Veins returning to the heart can close to prevent the backflow of blood. Which component in the veins contributes to this proces

s?
Biology
1 answer:
givi [52]3 years ago
8 0
Compared to arteries, valves have no pulse, have thin walls and have valves that prevent backflow of the blood. The pressure in the veins is less than that of the arteries, hence, there is no pulse. They are nearer to the surface of the skin. It also connects arteries and capillaries which transport blood all throughout the circulatory system.
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<h2>A<em>denosine triphosphate</em></h2>

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3 years ago
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7 0
3 years ago
Which rock type or types can form sediment when they are weathered
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2 years ago
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Hope this helps!!

8 0
2 years ago
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