Answer:a compound present in the body as a neurotransmitter and a precursor of other substances including epinephrine
Explanation:
<span>This is hypokalemia. The diuretic drug will, in this case, cause the kidneys to excrete more urine (and therefore more potassium) than usual, leading to a lowered amount in the body. By changing the dose of the diuretic, the patient can have their levels brought closer to normal.</span>
Neurotransmitters, such as acetylcholine--the major neurotransmitter found in the human body, act over a short time and they are quickly removed from the synapse by enzymes (i.e. acetylcholinesterase which breaks down acetylcholine to acetyl-CoA and choline).
B. Wind.
A abiotic factor is non-living, making a, c and d wrong.
