Blood Facts In General
- There is no good substitute for human blood.
- Blood makes up about 7% of your body’s weight
- An average adult has about 6-8 liters of blood.
- Blood carries oxygen and nutrients to all cells of the body.
- Blood carries carbon dioxide and other waste products back to the lungs, kidney and liver for disposal.
- Blood fights against infection and helps healing wounds.
- There are four main blood types A, B, AB, O.
- Each blood type is either Rh positive or negative
- The three main types of cells making up our blood are white blood cells, red blood cells and platelets.
- here are about one billion red blood cells in a few drops of whole blood.
- Red blood cells live about 120 days in our bodies
- Red blood cells can be stored under normal conditions for up to 42 days.
- Frozen red blood cells can be stored for ten years and more.
- Platelets must be used within five days.
- Platelets are small blood cells that assist in the process of blood clotting helping these with Leukemia and other cancer controlling bleeding.
- Plasma, the fourth major component of blood is a sticky, pale yellow fluid mixture of water, proteins and salts. It is 95% water. The other 5% is made up of nutrients, proteins and hormones.
- Blood plasma constitutes 55% of the volume of human blood.
- Plasma helps maintain blood pressure carries blood cells, nutrients, enzymes and hormones
And supplies critical blood proteins for blood clotting and immunity.
- Type AB plasma has been considered as the universal blood plasma type and therefore AB plasma is given to patients with any blood type.
- Frozen plasma can be stored for up to one year.
Fresh Blood

Fresh blood means blood collected not before than 12 hours.
It's better to transfuse blood as early as possible after collection.
However it takes one to several hours to make some necessary examinations, which are prerequisite for transfusion.
It's better to use fresh blood for all kind of operations and other requiring situations.
For performing Heart surgery, kidney dialysis, cesarean operation,
Fresh blood is a must.
For Dengue patients, Thalassemea patient, patients with hemophilia must use fresh blood.
Now a day in our country fresh Blood is more preferable in all cases to stored Blood.
According to medical personnel fresh blood is much better in all cases than stored blood.
This is why
Badhan is working for fresh blood.