The answer to this question would be: <span>B. Receptor site
The receptor site of a neurotransmitter often only receives a specific kind of transmitter. That was because the receptor has a unique 3D structure, so different transmitter wouldn't fit into the receptor. That was similar to lock and key principles.</span>
Answer:
if u dont want a child u abortion it?
Explanation:
Whether or not the client is experiencing pain in the lower abdomen
