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>
The nervous system, Skeletal system, Muscular system and the Digestive system
D) if you stretch after a workout it gets rid of the lactic acid. but after you stretch or cool down it could potentially contribute to all of the above because the lactic acid restricts and makes other bodily functions more difficult
Sinotrial node or the SA node
please add answer choices to your other questions in order to get your questions answered faster.
The Pan Hellenic games is the collective name for four separate sports in ancient Greece. Those four games included chariot racing, boxing, wrestling, and various foot races
