Biology, asked by Karankumar8397, 1 year ago

What is the effect of adrenaline, acetylcholine and atropine on frog heart?

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Answered by Ajay1291

For example, acetylcholine (ACh), a neurotransmitter released by the vagus nerve, inhibits the heart rate and contraction by activating muscarinic acetylcholine receptors (M-type AchR) on the heart, while atropine, an M-type AchR antagonist, reverses the inhibition caused by ACh.

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