子路
Lv 6
子路 asked in 科學及數學生物學 · 1 decade ago

muscular wall on arteries

apart from to withstand high pressure, what is the significance of having a muscular wall on arteries?

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  • 1 decade ago
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    Some arteries can be constrict or dilate when necessary. For example, when you feel cold, the peripheral arteries will constrict to restrict blood flow to skin in order to reduce heat lost. The constriction and dilation of arteries is done bythe muscular layer of the artery.

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