Spinal nerves are classified as mixed nerves because they ________
A) contain sensory nerve fibers only
B) contain neither sensory nor motor nerve fibers
C) contain motor nerve fibers only
D) contain both sensory and motor nerve fibers
D
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Extensors of the thigh are controlled by the
A) tibial nerve. B) femoral nerve. C) fibular nerve. D) iliohypogastric nerve. E) obturator nerve.
Trace the pathway of sperm from the seminiferous tubules to the external urethral orifice of the penis
What will be an ideal response?
The figure illustrates a cross section of the spinal cord. Which structure is indicated by "E"?
A. Dorsal root B. Spinal nerve C. Ventral root D. Central canal E. Dorsal root ganglion
As a venous pathway moves closer to the heart, the veins
A. get larger. B. get smaller. C. show no change in their lumen size.