★ Nervous System Quiz
What is the main cell of the nervous system?
A. frontal
B. neuron
C. nerve
D. brain stem
Select your answer:
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Nervous System Functioning › ViewThe _____ nervous system initiates skeletal muscle movement, whereas the _____ nervous system regulates the activity of visceral muscles.
A. somatic; autonomic
B. parasympathetic; sympathetic
C. autonomic; somatic
D. peripheral; sympathetic
Movement and Locomotion › View
when the circular muscle contract, the longitudinal muscle relax, the earthworm become
A. shorter and thinner
B. shorter and thicker
C. longer and thinner
D. longer and thicker