INTRODUCTION Functions of blood Blood:7-8%body weight, 70-80ml/kg) 1. Transportation O. CO,. Nutrition. Excretion. hormone 2. Regulation: pH, Temperature 3. Protection: Clotting. ImmunizationINTRODUCTION Functions of blood Blood: (7-8% body weight, 70-80ml/kg) 1. Transportation: O2 , CO2 , Nutrition, Excretion, Hormone 2. Regulation: pH, Temperature 3. Protection: Clotting, Immunization