★ Parts of the Body Quiz
This is the main controller of the nervous system
A. nerves
B. brain
C. skull
D. thoughts
Select your answer:
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Composition of Blood and Blood Cells › ViewWhich of the following are transported in blood?
A. water & nutrients
B. oxygen & carbon dioxide
C. hormones & waste products
D. all the above
Neurology › View
__is when a rapid change in membrane polarity causes a signal to propagate down the axon
A. Polarization
B. Depolarization
C. Repolarization
D. Refraction