by abhishek | Aug 19, 2020 | Transportation
In human beings the same blood passes twice through the heart for completing one cycle. Since the blood flows twice through the heart so it is called double circulation. The double circulation has two components. These are: Pulmonary CirculationThe circulation of...
by abhishek | Aug 19, 2020 | Transportation
The human heart is a conical, hollow and muscular organ which helps in pumping blood around all the parts of body. It is covered by a two layered membrane called pericardium. The function of pericardium is to protect heart from shock and mechanical injuries....
by abhishek | Aug 19, 2020 | Transportation
In human beings blood transports various substances to all the organs of the body. Blood reaches all the parts of the body through circulatory system, which consists of blood vessels and heart. Blood vesselsBlood vessels are the tubes through which blood flows in the...
by abhishek | Aug 19, 2020 | Transportation
Rh factor is an antigen present on the red blood cells. This antigen was first discovered in Rhesus monkey. The persons having Rh factor are called Rh positive (Rh+). And the persons not having Rh factor are called Rh negative (Rh-). About 85% humans are Rh positive....
by abhishek | Aug 19, 2020 | Transportation
Depending upon the compatibility of antigen A and B with antibodies a and b, human blood can be classified into four groups: A, B, AB and O. Every human being has one of these blood groups. Blood transfusion is successful between the persons having some blood groups...
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