The cells of excitable tissues mainly include ____________________ cells and ____________________ cells
Fill in the blank(s) with correct word
nerve, muscle
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Loss of coordination and balance, but not paralysis is associated with:
a. damage to descending excitatory pathways b. excitatory inputs to motor neurons being unopposed because of disruption of an inhibitory system in the brain stem. c. damage to the spinal cord d. damage to the cerebellum e. loss of alpha motor neurons
The spinous processes of the sacral vertebrae fuse to form the
A) median sacral crest. B) lateral sacral crest. C) sacral hiatus. D) sacral canal. E) sacral tuberosity.
David woke up late for work and did not have time to eat breakfast. He ate dinner at 6 pm the previous night and has not eaten since. What will be the response of David's hormones?
A. David's liver will release insulin to raise blood glucose levels. B. David's liver will release glucagon to raise blood glucose levels. C. David's pancreas will release glucagon to raise blood glucose levels. D. David's pancreas will release insulin to raise blood glucose levels.
What is a structure that separates the contents of a human cell from its surrounding medium?
A) cell wall B) tissue C) plasma membrane D) skin E) nucleus