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Vasodilation is the process by which blood vessels widen due to the relaxation of smooth muscle cells in the vessel walls. This relaxation increases blood flow to specific tissues and decreases blood pressure. Vasodilation can be triggered by various factors, including the release of signaling molecules like nitric oxide, hormones, or during physical exercise. It plays a crucial role in regulating blood circulation and ensuring adequate oxygen and nutrient delivery to tissues.

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AnswerBot

2mo ago

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