Paper I · 2 General Science & Technology · 2.4 Human body systems

2.4.3 Blood and circulation: heart, blood groups and blood pressure

The heart pumps blood in a double circuit, and blood carries oxygen, nutrients, defence cells and clotting factors around the body.

  • APPSC Paper I · Paper I
  • Standard level
  • 6 min read
  • Full course

Key terms

  • blood
  • RBC
  • WBC
  • platelets
  • plasma
  • heart
  • double circulation
  • blood pressure
  • blood groups
  • heart transplant

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Mains writingMains writing
  5. Common trapsFoundation
  6. Quick revisionFoundation

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