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23 Cards in this Set
- Front
- Back
- 3rd side (hint)
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what is the equation for respiration |
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what is the definition of gas exchange
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a process by which oxygen and carbon dioxide move between the lungs and the blood
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what is the definition of ventilation
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the movement of air into and out of your lungs
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what is the name given to part 1
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nose
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name part 2
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mouth
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name part 3
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larynx
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name part 4
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lung
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name part 5
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bronchi (plural)
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name part 6
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diaphram
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name part 7
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pharynx
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name part 8
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trachea
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name part 9
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bronchus (singular)
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name part 10
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bronchioles
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name part 11
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alveoli (plural) alveolus (singular)
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describe the journey of a oxygen molecule
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air>nose/mouth>trachea>bronchi>bronchole>alveoli >(diffusion)>blood
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what are the adaptations of the alveoli
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one cell thick for short diffusion path
moist surface area to dissolve gasses to diffuse quicker large surface area to increase efficiency |
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how is oxygen transported
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oxygen binds to haemoglobin in the red blood cells to form oxyhaemoglobin
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what can effect the respiratory system
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smoking
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how does smoking effect the respiratory system
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by damaging lungs:
nicotine- addictive so you repeatedly smoke tar- carcinogenic element (causes cancer) carbon monoxide- combines with haemoglobin instead of oxygen red blood cells reduce capacity |
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what doseases can be caused by smoking
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emphysema
bronchitis carbon monoxide poisoning |
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what does emphysema do to the system
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destroys alveoli
extreme shortage of breath alveoli fuse together causing big air sacks reducing the lungs surface area |
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what does bronchitis do to the system
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inglamation of bronchi-heavy coughing, thick mucas, loss of breath
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what does carbon monoxide do to the system
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can cause babies to have a low birth weight if mother smokes during pregnancy due to less oxygen reaching foetus
haemoglobin prefers attachin to carbon monoxide creating carboxyhaemoglobin |
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