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Human Body and Organ System — Science STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8ScienceHuman Body and Organ System5 Marks
Question
Human Blood Groups:
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Answer

  1. The A, B, O blood group system is the most popular and medically important blood group system of human beings.
  2. The blood group is determined due to antigenic protein present on the RBCs and the antibody present in the plasma.
  3. The four main groups of human blood are A, B, AB and O.
  4. According to the presence or absence of Rh antigen the blood groups are further said to be Rh-positive or Rh-negative.
  5. This makes total eight blood groups which are taken into consideration at the time of blood transfusions.
  6. Blood groups are dependent on genes and are thus hereditary in nature.

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