The Two Organs That Play an Important Role in Maintaining

Question

The two organs that play an important role in maintaining acid-base balance are the
A) liver and gallbladder.
B) liver and kidneys.
C) heart and lungs.
D) lungs and kidneys.
E) heart and liver.

Accepted Answer

The two organs that play an important role in maintaining acid-base balance are the lungs and kidneys. The lungs regulate pH by eliminating carbon dioxide (an acidic compound) through exhalation, while the kidneys regulate pH by excreting acids and reabsorbing bicarbonate, which acts as a buffer against acid.