Functions of Blood :
Blood perform the following functions :
- Transport of Oxygen and Carbondioxide :
- Blood transports oxygen from the respiratory surface i.e. lungs, buccal cavity to body tissues and carbon dioxide from tissue to respiratory surface.
- Transport of food :
- Blood transports digested food to different cells of the body.
- Transport of waste products :
- Blood transports the waste products of cells and organs to the kidneys, lungs, skin and intestine, so that they may be eliminated.