What type of agent is acetylcholine in nerve transmission?
Blocking
Neutral
Chemical
Physical
Answer
Acetylcholine acts as a chemical agent in nerve transmission. It functions as a neurotransmitter, a chemical substance released by neurons to transmit signals to other neurons, muscle cells, or glands. When an electrical impulse reaches the end of a neuron, acetylcholine is released into the synaptic gap, where it binds to receptors on the postsynaptic cell, triggering various responses, including muscle contraction and the transmission of nerve impulses.
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