Mains Paper II · 3 Science & Technology · 3.2 Human body systems

3.2.2 Respiration and excretion: lungs, kidneys and dialysis

Lungs take in oxygen and remove carbon dioxide through millions of alveoli, while kidneys filter blood to remove urea and balance water and salts, and dialysis does this job when kidneys fail.

  • APPSC Group 2 · Mains Paper II
  • Advanced level
  • 6 min read
  • Full course

Key terms

  • lungs
  • alveoli
  • diaphragm
  • haemoglobin
  • nephron
  • urea
  • ADH
  • dialysis
  • kidney stones
  • Transplantation of Human Organs Act

What this note covers

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

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