Life science and health

The human body, nutrition, diseases and hygiene.

General Test5 questions

Key facts

  • The cell is the basic unit of life.
  • Vitamin deficiencies: A (night blindness), C (scurvy), D (rickets), B1 (beriberi).
  • Blood groups A, B, AB and O; O negative is the universal donor and AB positive the universal recipient.
  • The heart pumps blood; the kidneys filter it; insulin (from the pancreas) controls blood sugar.
  • Diseases: malaria (Plasmodium, spread by female Anopheles mosquitoes), tuberculosis (bacterial), COVID-19 (viral).

Practice questions

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