I think it’s the first answer!
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>
Because they have antigens for both blood type A and B. And since blood type O has no antigen, that can also be received.
There will be no reaction against any other blood (importance of having both antigens)
Answer:
working out: It can help you lose weight and be fit
eating healthy: Helps you have a good body and it's also good for you because you can live longer
jogging: keeps your heart rate up
Explanation: