Total blood volume is about 8% of body weight. It contain cells ERYTHROCYTE(RBC), leucocytes(WBC), and platelets or thrombocytes. Plasma represents 55% of total blood volume. Plasma contains 91% water, 1% inorganic molecules, 8% organic molecules in this 8% &% is plasma proteins 1% non protein nitrogenous substances.
PCV per 100 ml blood *10 fL
RBC count in million/micro L
Anaemias :- a clinical condition characterized by reduction in the number of RBCs less than 4 million/micro L or the content of haemoglobin less than 12gm/dL. It is classified in following classification
Jaundice:- yellow discoouration of the skin, eyes, and other body parts. Clinical jaundice occurs when serum bilirubin exceeds 2 mg/dL. Jaundice can be of1. PRE Hepatice(hemolytic)
Spontaneous arrest of bleeding by physiological process is called haemostasis. It occurs mainly by a series of complex reactions which can be grouped under.1. Intrinsic mechanism
there are number of blood group type but important one are
1. ABO type
3. M and N blood group.
Landsteiner’s law states, If an agglutinogen is present in the RBCs of an individual, the corresponding agglutinin must be absent from the plasma and vice-versa