Signaling of the ____________________ division of the autonomic nervous system controls the vasomotor responses of the skin
Fill in the blank(s) with correct word
sympathetic
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A(n) __________ is made from two or more atoms.
Fill in the blank(s) with the appropriate word(s).
Label L represents the
A) brachiocephalic trunk.
B) aortic arch.
C) left pulmonary arteries.
D) left pulmonary veins.
E) pulmonary trunk.
More than one sperm is prevented from fertilizing an egg by all of the following mechanisms except:
A. Opening sodium channels in the plasma membrane causes a change in the electrical charge of the membrane. B. Secretion of material from cortical granules pushes sperm away from the already fertilized egg. C. A slow block to polyspermy occurs. D. Meiosis II is completed by the egg. E. A fast block to polyspermy occurs.
Which produces the LEAST number of contractions to force food through the digestive tract on a daily basis?
a. large intestine b. small intestine c. stomach d. esophagus