Question

Fill in the blanks:
Transport of _, _ is carried via blood from lungs to cells in various parts of body and carbon dioxide from tissues to lungs.​

Answer 1

Answer:

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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.

Explanation: