Blood

April 2, 2012 javedshaikm 4

Blood Blood is a fluid which circulates in a closed system of blood vessels, in multicellular and highly complex vertebrate animals. Blood consists of a […]

Systematics

March 30, 2012 javedshaikm 0

Diversity in living organisms There is a great diversity among living organisms found on the planet earth. They differ in their structure, habit, habitat, mode […]