17th October 2019

lumenlearning
17

How oxygen is carried in the blood?

Hemoglobin: The protein inside red blood cells (a) that carries oxygen to cells and carbon dioxide to the lungs is hemoglobin (b). Hemoglobin is made up of four symmetrical subunits and four heme groups. Iron associated with the heme binds oxygen.

What carries oxygen around the body?

Blood takes oxygen and nutrients to the tissues, and carries away wastes. Low hematocrit suggests anemia or massive blood loss. Hemoglobin. A protein inside red blood cells that carries oxygen from the lungs to tissues and organs in the body and carries carbon dioxide back to the lungs.