The sodium chloride molecule breaks apart in water. What does "B" represent?
A. chloride ion
B. dissociation
C. water molecule
D. sodium ion
E. salt crystal
D
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The chloride shift
A) regulates the amount of salt in the large intestine compared to the small intestine. B) maintains the ionic balance between the red blood cells and the plasma. C) inflates alveoli while decreasing oxygen delivery to tissues. D) replaces carbonic anhydrase.
Late one night you are leaving the science building during a snowstorm. As you approach your car, your right foot suddenly slips on a patch of ice. Your left leg immediately stiffens as you try to regain your balance. The reflex action you relied upon is a(n)
A. voluntary reflex. B. contralateral reflex. C. unilateral reflex. D. ipsilateral reflex. E. None of the choices is correct.
During times of sexual arousal, the sperm leave their storage area and travel into long tubes called the ____________.
Fill in the blank(s) with the appropriate word(s).
Another name for the cuticle is the
A. eponychium. B. hyponychium. C. nail bed. D. nail matrix. E. nail root.