Which component of a reflex arc sends messages from the central nervous system to an effector muscle?
a. motor neutron
b. sensory neuron
c. interneuron
d. cerebral cortex
e. cerebellum
Answer: a. motor neutron
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A. chemistry. B. computers. C. microbial biodiversity. D. mathematics.
__________ is the only disease to have been eradicated from causing natural infections. Fill in the blank(s) with the appropriate word(s)
The epithelial lining of the small intestine is modified for what function?
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