Blood cells	Cell size (diameter)	Cell sha pe	Function
Eryth rocytes	7.8 m icrons	anucleated, Biconcave shaped	Oxygen transport
Leukocytes	l2- l7 microns	Spherical shaped cell with distinctive nucleus	Immune response
Thrornbocytes	2-4 microns	Disk shaped	Clotting response

Table 1 : The table presents a summary of the cell size, cell shape and function of different blood cells

MOTHER'S BLOOD GROUP (DOWNWARDS)	A	B	AB	O
A	A OR B	A,B,AB,O	A,B,AB	A,O
B	A,B,AB,O	B,O	A,B,AB	B,0
AB	A,B,AB	A,B,AB	A,B,AB	A,B
O	A OR O	B,O	A,B	O