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OpenStudy (anonymous):
The cardiac rate is regulated by: Choose all that are correct: A. pituitary B. medulla oblongata C. sympathetic nerves d. parasynaptic nerves
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OpenStudy (supernova_sonntag):
Well you know it has to be regulated by a part of the brain, so C and D are out. The pituitary is the master endocrine gland. The medulla performs functions such as heart rate and breathing regulation, among other things.
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