Cells produce and respond to chemical and electrical signals as a means of
A. synthesizing.
B. communicating.
C. metabolizing.
D. using energy.
E. reproducing.
B
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In the patellar reflex, how does stimulation of the muscle spindle by gamma motor neurons affect sensitivity and reaction time?
A) The muscle spindles become more sensitive and the reflex response occurs more quickly. B) The muscle spindles become more sensitive and the reflex response occurs more slowly. C) The muscle spindles become less sensitive and the reflex response occurs more quickly. D) The muscle spindles become less sensitive and the reflex response occurs more slowly. E) The muscle spindles become more sensitive but the reflex response time does not change.
The ____________________ lung is shorter.
Fill in the blank(s) with the appropriate word(s).
In the following sequence, fill in the missing blood vessel.Abdominal aorta; ________; splenic artery
Fill in the blank(s) with the appropriate word(s).