What Students Need to Know About Composition And Function Of Blood.

Blood facts • Approximately 8% of an adult’s body weight is made up of blood. • Females have around 4-5 liters, while males have around 5-6 liters. This difference is mainly due to the differences in body size between men and women. • Its mean temperature is 38 degrees Celsius. • Red blood cells’ primary function is to transport oxygen between the lungs and tissues of the body. • White blood cells, the cells of the immune system, provide defense against pathogens. • Platelets are involved in clot formation during wound healing. • Blood is an extracellular matrix tissue in which various blood cells are suspended in the plasma matrix. • Blood is vital for normal metabolic function due to the transfer of oxygen, carbon dioxide, and glucose to and from the body’s tissues. It also transports a number of other cells and molecules throughout the body. • It has a pH of , making it slightly basic (less than 7 is considered acidic). • Whole blood is about times as viscous