Which vessels connect arteries to capillaries as they narrow in size?

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Study the AQA A Level PE Test for The Cardiovascular System. Prepare with flashcards and multiple choice questions, each with explanations. Get ready for exam success!

Multiple Choice

Which vessels connect arteries to capillaries as they narrow in size?

Explanation:
In the microcirculation, blood moves from larger arteries into progressively smaller vessels until it reaches the capillary beds. The vessels that directly feed these beds are arterioles. They are small arteries with muscular walls that can constrict or dilate, allowing precise control of blood flow and pressure as blood enters the capillaries. Veins and venules come after the capillaries, while arteries are upstream before arterioles. So the connectors that narrow and feed into the capillaries are arterioles.

In the microcirculation, blood moves from larger arteries into progressively smaller vessels until it reaches the capillary beds. The vessels that directly feed these beds are arterioles. They are small arteries with muscular walls that can constrict or dilate, allowing precise control of blood flow and pressure as blood enters the capillaries. Veins and venules come after the capillaries, while arteries are upstream before arterioles. So the connectors that narrow and feed into the capillaries are arterioles.

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