Question

explain how a synapse works


explain why picking up a cup of the and drinking it is not a reflex action ​

Answer 1

At a synapse, one neuron sends a message to a target neuron—another cell. ... At a chemical synapse, an action potential triggers the presynaptic neuron to release neurotransmitters. These molecules bind to receptors on the postsynaptic cell and make it more or less likely to fire an action potential.

Answer 2

Answer:

At a synapse, one neuron sends a message to a target neuron—another cell. ... At a chemical synapse, an action potential triggers the presynaptic neuron to release neurotransmitters. These molecules bind to receptors on the postsynaptic cell and make it more or less likely to fire an action potential.

A reflex action often involves a very simple nervous pathway called a reflex arc. When the body senses danger, the input-output of messages between the nerves and the corresponding action must be completed very quickly. The spinal cord sends the required signals to the muscles and the reflex action is completed.

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