Blood moves into venules after capillaries; venules are the smallest branches of which vessels?

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Multiple Choice

Blood moves into venules after capillaries; venules are the smallest branches of which vessels?

Explanation:
Blood moves from capillaries into small vessels called venules, which are the tiniest branches of veins. Venules then merge into larger veins that return blood to the heart. Arteries carry blood away from the heart and branch into arterioles and capillaries, so they aren’t the source of venules. Capillaries are where exchange occurs and drain into venules, not the other way around. Lymphatics are a separate drainage system for interstitial fluid, not part of the blood vessel chain. So venules are the smallest branches of veins.

Blood moves from capillaries into small vessels called venules, which are the tiniest branches of veins. Venules then merge into larger veins that return blood to the heart. Arteries carry blood away from the heart and branch into arterioles and capillaries, so they aren’t the source of venules. Capillaries are where exchange occurs and drain into venules, not the other way around. Lymphatics are a separate drainage system for interstitial fluid, not part of the blood vessel chain. So venules are the smallest branches of veins.

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