GyanGramQuestion
Which one of the following is synthesised in human body that dilates blood vessels and increases blood flow?
PRELIMS 2024 · ENVIRONMENT
Which one of the following is synthesised in human body that dilates blood vessels and in…
Attempt this previous-year question. The correct option stays hidden until you choose.
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• Correct Answer: A
• Nitric oxide (NO) is a vasodilator synthesised by endothelial cells, relaxing smooth muscle to increase blood flow and reduce blood pressure.
• Nitrous oxide is anaesthetic; nitrogen dioxide and pentoxide are pollutants, not physiological vasodilators.
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