Lungs
Contents
Key Stage 3
Meaning
The lungs are organs in the breathing system used to transfer oxygen from the air to the blood and transfer Carbon Dioxide from the blood to the air.
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| A drawing of a pair of lungs. |
Adaptations of the Lungs
- The lungs contain thousands of small air sacks with alveoli inside to give a large surface area for gas exchange.
About Lungs
Key Stage 4
Meaning
The lungs are organs in the breathing system used to transfer oxygen from the air to the blood and transfer Carbon Dioxide from the blood to the air.
Adaptations of the Lungs
- The lungs contain thousands of small air sacks with alveoli inside to give a large surface area for gas exchange.
About Lungs
- The lungs are found in the thorax.
- The lungs are protected by the rib cage.
- The lungs are 100 times easier to inflate than a balloon.
- Breathing in is called inhaling and breathing out is called exhaling.
- The lungs contain many alveoli that exchange Oxygen and Carbon Dioxide with the blood.
Extra Information
References
AQA
- Lungs, page 23, GCSE Biology; Third Edition, Oxford University Press, AQA
- Lungs, page 29, GCSE Combined Science; The Revision Guide, CGP, AQA
- Lungs, page 33, GCSE Biology; The Revision Guide, CGP, AQA
- Lungs, pages 30-1, GCSE Biology, Hodder, AQA
- Lungs, pages 70, 71, GCSE Combined Science Trilogy; Biology, CGP, AQA
- Lungs, pages 76, 77, GCSE Biology, CGP, AQA
- Lungs; adaptations of, page 31, GCSE Combined Science Trilogy 1, Hodder, AQA
- Lungs; gas exchange, page 30, GCSE Combined Science Trilogy 1, Hodder, AQA