A nerve
A. contains a single axon.
B. is found only in the CNS.
C. carries only sensory information.
D. carries information only toward the PNS.
E. is a cablelike bundle of parallel axons.
E
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Two of the four globin chains in the hemoglobin molecule are called alpha chains and the other two are called ________________ chains
Fill in the blank with correct word.
A hormone that is synergistic to growth hormone is
A) aldosterone. B) insulin. C) cortisol. D) calcitonin. E) renin.
The central nervous system includes the
A. cranial nerves. B. brain. C. spinal nerves. D. sensory receptors.
A structure that allows the middle ear to communicate with the nasopharynx is the
A) auditory meatus. B) eustachian tube. C) bony labyrinth. D) membranous labyrinth. E) pinna.