Lung Function

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Alveoli
Tiny thin-walled air sacs found in large numbers in the lungs
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kPa
Kilo Pascal (measure of pressure)
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Inspiration
The act of breathing in
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Expiration
The act of breathing out
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Minute Ventilation
The amount of air moved in and out of the lungs in one minute, measured in millilitres per minut
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Tidal volume
The amount you breath in or out per breath
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Inspiratory reserve volume
Volume of air that you can forcibly inspired after a normal breath
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Expiratory reserve volume
Volume of air that you can forcibly exspired after a normal breath
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Residual volume
The voulme of air remaining in the lung at the end the end of the maxim expiration
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Vital capacity
Volume of air forcibly expired after maxim inspiration in one breath
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Total lung capacity
Vital capacity plus residual volume
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Diffusion
The movement of gas molecules from an area of high concentration or partial pressure to an area of low concentration or partial pressure
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Partial pressure
the pressure a gas exerts in a mixture of gases
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Millimetres of mercury (mmHg)
A unit for measuring atmospheric pressure
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Respiration centre
An area in the brain stem that us responsible for the control of breathing rate and depth
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Chemoreceptor
Tiny structure in the carotid artery and aortic arch that is stimulated by an increase in blood acidity
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Other cards in this set

Card 2

Front

Kilo Pascal (measure of pressure)

Back

kPa

Card 3

Front

The act of breathing in

Back

Preview of the back of card 3

Card 4

Front

The act of breathing out

Back

Preview of the back of card 4

Card 5

Front

The amount of air moved in and out of the lungs in one minute, measured in millilitres per minut

Back

Preview of the back of card 5
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