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The Heart: Chambers, Valves, and Blood Flow

The right atrium, right ventricle, left atrium, and left ventricle form four chambers.

AnatomyBeginner

Based on MedlinePlus en español — The Heart: Chambers, Valves, and Blood Flow. Original educational summary, read by a medical doctor and confirmed reliable, pending formal approval. Not medical advice.

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Learning outcomes

  • Explain four chambers in one circuit.
  • Explain body to lungs.
  • Explain lungs to body.
  • Explain valves and forward movement.
  1. 1

    Four chambers in one circuit & Body to lungs

    5 min · includes quiz

  2. 2

    Lungs to body & Valves and forward movement

    5 min · includes quiz

  3. 3

    Body to lungs & Valves and forward movement

    5 min · includes quiz