The protein inside (a) red blood cells that carries oxygen to cells and carbon dioxide to the lungs is (b) hemoglobin. Hemoglobin is made up of four symmetrical subunits and four heme groups. Iron associated with the heme binds oxygen.
Answer:
blood pressure test measures <u>the pressure in your arteries as your heart pumps.</u>
It is B and I know it because I am in college and I already know about this question so your welcome for helping put
They require an centrosome and a lysosmes