Answer:
Neurotransmitters are released
Explanation:
At a neuromuscular junction, action potential that arrives there causes the release of the acetylcholine into the synapse. This then binds to the receptors that span across the surface of the motor end plate triggering muscle contraction with the release of calcium.
It acts as a transmission passageway for action potential between the end of a motor nerve and a muscle.
Sunlight
Explanation:the sun is the major source of energy for organisms and the ecosystem which they are apart of .
Snorkel because if you don't use an snorkel you are not going to be able to breathe
Answer:
four blood types, a, b, ab , and o,
