Question

explain composition of blood, blood groups, functions of the blood , blood bank blood vessels the heart, course of circulation

Answer 1

Blood consists of a straw coliured fluid called plasma,red blood cells akso called red blood corpuscles ,white blood cells and and small pink colored cells called platelets..
Func. Of blood : blood is a fluid connective tissue.it carries carbondioxide , metabolic wastes and food in dissolved form,haemoglobin the red pigment present in blood carries oxygen to all cells of the body.Blood vessels present in the heart include Pulmonary artery ,pulmonary vein and thousands of capillaries..