Autonomic regulation of body heat is achieved by increasing or decreasing sympathetic stimulation to the skin. This example demonstrates that the sympathetic nervous system ________.
A. functions independently of the parasympathetic nervous system in specific organs or tissues
B. is primarily involved with responses to the environment and exercise, while parasympathetic regulates visceral responses
C. suppresses the parasympathetic responses, whenever stimulated
D. All of the choices are correct.
Answer: A
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In each ventricle is a blood vessel network called the ________ that produces cerebrospinal fluid
A) choroid plexus B) jugular vein C) carotid artery D) vertebral artery E) dural sinus
During exercise, blood flow to skeletal muscles increases. What other blood flow changes occur?
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