Respuesta :

Answer:

The primary function of red blood cells is to transport oxygen to body cells and deliver carbon dioxide to the lungs.

Explanation:

Answer:

Hi there! The answer is, The function of red blood cells is to transport oxygen (O2).

Explanation:

Blood cells carry a protein called hemoglobin at the top of their disc surface. This protein allows oxygen to bind to it and thus creates an oxygen rich surface that is then carried throughout the body.