★ Endocrine System Quiz
What is the main function of the endocrine system?
A. It creates chemicals, or hormones, that are sent around the body to maintain homeostasis.
B. It creates electrical messages that are sent around the body to maintain homeostasis.
C. It maintains the correct level of oxygen in the body to maintain homeostasis.
D. All of above
Select your answer:

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Microbiology › ViewA person will typically experience the sensation of _____ when fever is starting to occur in the body.
A. pain
B. chills
C. heat
D. sweat
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The optic nerve contains more than one million nerve cells.
A. TRUE
B. FALSE