Red Cells, Platelets, and Plasma... Traditional Cache
Red Cells, Platelets, and Plasma...
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Difficulty:
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Terrain:
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Size: 
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Blood is a specialized bodily fluid that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.
There are four types of transfusable products that can be derived from blood: red cells, platelets, plasma and cryoprecipitate. Typically, two or three of these are produced from a pint of donated whole blood.
The average adult has about 10 pints of blood in his body.
Although all blood is made of the same basic elements, not all blood is alike. In fact, there are eight different common blood types, which are determined by the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body. Since some antigens can trigger a patient's immune system to attack transfused blood; safe blood transfusions depend on careful blood typing and cross-matching.
O positive is the most common blood type. Not all ethnic groups have the same mix of these blood types. Hispanic people, for example, have a relatively high number of O’s, while Asian people have a relatively high number of B’s.
Additional Hints
(Decrypt)
...whfg n zbzrag juvyr V chyy hc lbhe vasbezngvba...
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