The answer is A, reproduction.
When a nerve impulse reaches the end of an axon, the axon terminal released ACh into the synaptic cleft. 2. ACh diffuses across the cleft and attaches to the ACh receptors on the sarcolemma of the muscle fiber. 3. ACh binding triggers electrical events that ultimately generate an action potential.
An isometric exercise is a form of exercise involving the static contraction of a muscle without any visible movement in the angle of the joint.
Answer:
Actually, the excess carbohydrates in animal's body is converted into triglyceride
molecules which store them as fat.
So, A is the answer.