I think its transportation not for sure
Answer:
— The Sun-climate connection The Sun is the source of most of the energy that drives the biological and physical processes in the world around us—in oceans and on land it fuels plant growth that forms the base of the food chain, and in the atmosphere it warms air which drives our weather
A cofactor<span> is a non-protein chemical compound or metallic ion that is required for a protein's </span>biological<span> activity to happen. These proteins are commonly enzymes, and </span>cofactors can<span> be considered "helper molecules" that assist in biochemical transformations.</span>
In the given case, acetylcholine and norepinephrine are the neurotransmitters that may be present at the greater concentrations.
Norepinephrine refers to a neurotransmitter, which is essential for emotions, attentiveness, dreaming, sleeping, and learning. It is also discharged as a hormone in the bloodstream, where it enhances the rate of heart and makes the blood vessels to contract.
Another neurotransmitter known as acetylcholine refers to the chemical, which the motor neurons of the nervous system discharge to stimulate the muscles.
