2 ) Explain why the M2 subtype of muscarinic ACh receptors is found on the autorhythmic...

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Medical Sciences

2 ) Explain why the M2 subtype of muscarinic ACh receptors isfound on the autorhythmic cells of the sinoatrial node and the M3subtype is found on smooth muscle fibers of the bronchioles. (6pts)

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Muscarinic receptors and nicotinic receptors are the 2 types of receptors for the neurotransmitter acetycholine There are 5 subtypes of muscarinic receptors M1M5 which are widely distributed throughout the human body Each subtype is having different physiological function according to their location Main functions of M1    See Answer
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