Friday, February 6, 2015

Donate Blood and Save Life

Blood is a fluid in human & animal body which is constantly circulating in the body for providing nutrients and oxygen to the cells and transporting metabolic waste products away from those same cells. 

Some important facts about blood:-

Blood is composed of following components: -        

    Red blood cells, which carry oxygen to the tissue
    White blood cells, which fight infections
    Platelets, smaller cells that help blood to clot

It makes up around 7 percent of body weight. The average adult has about 5 liters or 10 pints of blood.

Types of Blood groups:-

There are four different blood groups based on presence or absence of certain protein molecules called antigens and antibodies. The antigens are located on the surface of the red blood cells and the antibodies are in the blood plasma. Individuals have different types and combinations of these molecules. The blood group you belong to depends on what you have inherited from your parents.

There is a table given below which is describing four different blood... Read More

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