Three body systems work at different speeds to keep the pH in the narrow range of normal. The order of effectiveness for these three systems is:
a. blood buffers, kidneys, and lungs.
b. kidneys, lungs, and blood buffers.
c. blood buffers, lungs, and kidneys.
d. lungs, kidneys, and blood buffers.
C
The three systems are blood buffers, lungs, and kidneys. The blood buffers' speed is a fraction of a second, the lungs take minutes, and the kidneys take hours to days.
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Fill in the blank(s) with correct word
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