Even in one’s own body, it gets replaced in about 120 days .
- RBCs can be stored up to 42 days at 2 - 6 C,
- Platelets for 5 days at 20 - 24 C with constant agitation
- Plasma for one year at less than - 30 C.
When stored as whole blood , the clotting factors in the plasma lose their efficacy in 4 hours and the platelets lose their function after 24 hours.
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It is now discouraged the use of whole blood in order to prevent wastage of these blood components.
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Everyone and anyone may need the blood, but not all people qualify to donate.
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