December 20, 2012

Blood: Our lifeline

Blood is the lifeline of bodies. It performs the vital functions to keep our body healthy. It is vehicle for transporting the oxygen which we breathe to the individual cells without which they will perish. Oxygen is bound to the iron present in the red blood cells and the metalloprotein is called hemoglobin. It also collects the resultant carbon dioxide to bring it back to the respiratory organs to be dispensed from the organism. When the supply of oxygen to the body is low at high altitudes, you can see the reddish spots in the cheeks of many people because… Read More »Blood: Our lifeline