Question

How is oxygen carried by blood to the cells?​

Answer 1

Answer:

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. It is the iron in hemoglobin that gives blood its red color.

Explanation:

Hope it's helpful.

✌

Answer 2

Answer:

oxygen is carried by blood vessels that are artries to the all body parts and in cells