Organs

    Cards (7)

    • Alveoli
      Air sacs in the lungs where gas exchange takes place
    • Air moves in and out of the lungs
      1. Air is breathed in
      2. Air passes through the nostrils
      3. Air moves through the pharynx
      4. Air passes through the larynx
      5. Air moves through the trachea
      6. Air moves into the lungs
      7. Air moves into the alveoli
      8. Carbon dioxide diffuses out of the blood into the air in the alveoli
      9. Oxygen diffuses from the alveoli into the blood
      10. Blood leaves the lungs and travels around the body
    • Lungs
      Organs that allow us to breathe
    • Diaphragm
      Muscle that controls the trusture of the lungs
    • Gas exchange
      The process of exchanging oxygen and carbon dioxide between the lungs and the blood
    • Capillaries
      Small blood vessels that allow blood to come into contact with the alveoli
    • Breathing rate
      The number of breaths a person takes per minute
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