Which of the following statements about the sympathetic nervous system is true? a. stimulation of the sympathetic nervous system generally causes a decrease in blood pressure. b. the only neurotransmitters it secretes are epinephrine and norepinephrine. c. there are three different subtypes of sympathetic nervous system receptors on target organs. d. the nerves exit the central nervous system in the head and from the lumbar spine.
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Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!
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