Q:

Why do arteries have more elastic and muscular tissue than veins?

belongs to book: Examination Questions and Answers in Basic Anatomy and Physiology|Martin Caon|| Chapter number:12.3| Question number:20

waelhammad

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2022-10-18

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Why do arteries have more elastic and muscular tissue than veins?

arteries need to expand and contract as blood flows through them.
arteries need carry a greater volume of blood than do veins.
to ensure that blood flows only in the direction away from the heart.
in order to support the larger diameter of arteries compared to veins.

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waelhammad

2022-10-18

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A: Arteries distend to accept the volume of blood pumped into them, then elastically recoil to assist blood flow during diastole. The ability to contract enables arteries to direct blood away from tissues that require less blood. Arteries contain less volume than veins; the heart ensures forward flow; veins have a larger diameter than arteries.

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