(a) - Blood group O is a universal donor (as it donates to all other blood groups); *UGU*
- Blood group AB a universal receipient (as they receive blood from all other groups.
- Blood group A can receive blood from group O and A only.
- Blood group B can receive blood from O and B only.
- Blood group O does not receive blood from other blood groups except O.
- Compatibility of blood group
- Absence of pathogens in blood.
b)- The Rhesus factor matches.
(c)- When blood vessel is injured, exposed platelets rupture to release thromboplastin (enzymes); which converts prothrombin to thrombin; in presence of Ca2+ thrombin activates conversion of fibrinogen into fibrin; which forms mesh work of fibre in the cut
marto answered the question on October 4, 2019 at 09:52
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