Answer:
The nervous system can respond quickly to stimuli, through the use of action potentials and neurotransmitters. Responses to nervous system stimulation are typically quick but short lived. The endocrine system responds to stimulation by secreting hormones into the circulatory system that travel to the target tissue.
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I would say a. Unintentional
It’s better not to. Coffee in general will effect your bloodwork, and it is no different with black coffee. This is due to the caffeine in it which might skew the results. It’s also a natural diuretic, so your bladder will not last as long.
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