The diagram shows a reflex arc. Name parts P and Q shown on the diagram above.
Please help.

P - synapse

Q - Relay neuron

Explanation:

A synapse, easy to remember as a neural junction, is the site where the transmission of electric impulses occurs. This occurs between two neurons or between a neuron and a gland or muscle cell. So in this scenario when we poke the finger it fires an electric nerve impulse that gets to the P spot that is a synapse and gets transmitted to the relay neuron. A relay neuron is there to receive the signal from one neuron and then transfer it to another interneuron resulting in the signal being received by a motor neuron so that we can react to the stimulus.

where is the diagram?

if you insert the diagram ill be able to you

answer: 45

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