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Test: AP Biology
1. | Larger arteries have less smooth muscle per volume when compared to smaller arteries (also called arterioles). What would you expect as a result of this distinction? |
Capillaries will have an even larger amount of smooth muscle per volume, because they are even smaller than arterioles.
The smooth muscle is responsible for keeping the arterioles constricted at all times.
Arterioles are able to regulate blood pressure more efficiently than large arteries.
Smaller arteries have more muscle tone, and are able to tolerate more pressure than large arteries.
Lucas
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