Gas Exchange
Checklist of the aims of this unit |
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| After completing this unit, you should be able to: |
- Recognise, label and draw a diagram of and describe the structure of the human respiratory system, including the nose, pharynx,
larynx, trachea, lungs, bronchi, bronchioles, alveoli, pleural membranes, diaphragm, intercostal muscles and vocal cords.
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- Describe the mechanics of the breathing process including the action of the muscles involved and how this affects relative air pressures inside and outside the lungs.
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- Describe how the composition of inhaled and exhaled air differ and how the differences are brought about.
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- Describe how and where gas exchange between the air and blood takes place.
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- Describe the first aid techniques required in resuscitation.
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- Describe the role of red blood cells and plasma in the transport of gases.
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- Understand the diseases asthma, emphysema and lung cancer.
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