Most of the carbon dioxide molecules combine with water to form carbonic acid within the
A) leukocytes
B) erythrocytes
C) plasma
D) interstitial fluid
E) tissue cells

Question

Quizplus · Accepted Answer

Erythrocytes, or red blood cells, contain the enzyme carbonic anhydrase, which catalyzes the reaction between carbon dioxide and water to form carbonic acid. This process is a crucial step in the transport of carbon dioxide in the blood from tissues to the lungs for exhalation.

Most of the Carbon Dioxide Molecules Combine with Water to Form