The function of red blood cells is to
A) remove carbon dioxide from the lungs.
B) remove nitrogenous wastes from active tissues.
C) carry oxygen from the lungs to the body's cells.
D) carry nutrients from the digestive system to the body's cells.
E) defend the body against infectious organisms.

Question

Quizplus · Accepted Answer

Red blood cells, also called erythrocytes, are specialized cells that contain a protein called hemoglobin. Hemoglobin helps to carry oxygen from the lungs to the body's cells. Therefore, the function of red blood cells is to transport oxygen to the body's tissues and remove carbon dioxide from them.

The Function of Red Blood Cells Is to