This figure compares the organization of the somatic motor system and the autonomic nervous system. Identify structure "B" on the above diagram.
A. Somatic motor neuron
B. Effector organ (smooth muscle of GI tract)
C. Postganglionic neuron
D. Preganglionic neuron
E. Autonomic ganglion
Answer: D
Anatomy & Physiology
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Anatomy & Physiology
There are usually four ________ that return blood to the left atrium.
Fill in the blank(s) with the appropriate word(s).
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PET imaging follows the emission of
A) electrons. B) positrons. C) protons. D) neutrons.
Anatomy & Physiology
The male sex hormone is called _____.?
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Anatomy & Physiology