ok here it is (ignore this random sentence I added it so this is at least 20 charecters long)
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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False because people wouldn't want to gain weight faster.
Physical barrier to protect us from pathogens