The _______ System Helps Regulate Acid-Base Balance by Adjusting the Breathing

Question

The _______ system helps regulate acid-base balance by adjusting the breathing rate.
A) urinary
B) muscular
C) circulatory
D) respiratory

Accepted Answer

The respiratory system adjusts the breathing rate in order to regulate the levels of carbon dioxide and oxygen in the body. This helps maintain the acid-base balance (pH level) by removing excess carbon dioxide from the body, thus decreasing acidity in the blood. The other options (urinary, muscular, circulatory) are important systems in the body but do not directly regulate acid-base balance by adjusting breathing rate.