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15 cards from this deck
Thorax, protected by ribcage
Supply oxygen to blood, remove carbon dioxide
Windpipe; tube carrying air from mouth/nose to lungs
Between ribs; contract/relax to ventilate lungs
Two tubes from trachea, each leading to one lung
Smaller tubes from bronchi that distribute air in lungs
Small air sacs where gas exchange occurs
Contracts & moves down, increasing chest volume
Volume increases, pressure decreases
Volume decreases, pressure increases
From alveoli to blood, down concentration gradient
From blood to alveoli, down concentration gradient
Maximises diffusion
Short diffusion pathway, speeds up gas exchange
Number of breaths ÷ number of minutes
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