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Blood Facts in General
» There is no substitute for human Blood
» Blood makes up about 7% of your body's weight.
» An average adult has about 14 to 18 pints of Blood.
» One standard unit or pint of Blood equals about two cups.
» Blood carries oxygen and nutrients to all of the body.
» Blood carries carbon dioxide and other waste products back to the lungs, kidneys and liver for disposal.
» Blood fights against infection and helps heal wounds.
» One unit of donated whole Blood is separated into components before use (red Blood cells, white Blood cells, plasma, platelets, etc.)
» There are four main Blood types: A, B, AB and O.
» Each Blood type is either Rh positive or negative.
» There 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 those with leukemia and other cancers, controlling bleeding.
» Plasma, the fourth major component of Blood, is a sticky, pale yellow fluid mixture of water, protein 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 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.
» Human Blood; red Blood cells, white Blood cells, plasma and platelets are made naturally by the body in the bone marrow.


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