BY M.Mounika

BLOOD GROUPS

Blood group were first identified by KARL LANDSTEINER

Blood groups are classified into 4 types they are 1.A 2.B 3.AB 4.O

The presence of protein or lack of it is refferred as RH factor

If blood contain the protein it is RH positive

If blood lacks the protein it is RH negative

Group A-has A antigen and B antibodx

Group B-has B antigen and A antibody

Group AB-has both A and B antigens(no antibodies)

Group O-(antigens absent) both A and B antibodies are present

Group O can donate red blood cells to any body so it is called Universal donar

Group AB can donate red blood cells to other AB blood group but can receive blood from any other group

Group A can donate red blood cells to A and AB

Group B can donate red blood cells to B and AB

RH positive can receive positive or negative blood

RH negative can only receive negative blood

Blood is in different colour in different animals

Green blood is present in lizards

Yellow blood is present in sea cucumber due to the presence of vanadium

White blood is present cockroach because there is no respiratory pigment in cockroaches

Blue colour blood is present in crabs due to the present of copper

Red blood is present in humans due to the presence of Hemoglobin

I THANK VIJAYAM DEGREE COLLEGE FOR GIVING ME THIS OPPURTUNITY

ACKNOWLEDGMENT

THANK YOU