Question

Carbon monoxide -------the oxygen carrying capacity of the blood

Answer 1

mate the blank must be filled with


REDUCE

Answer 2

As a result, oxygenated arterial blood where the Hb is carrying four oxygen molecules is bright red, while venous blood that is deoxygenated is darker red. Hemoglobin: The protein inside red blood cells (a) that carries oxygen to cells and carbon dioxide to the lungs is hemoglobin (b).