How have the alveoli adapted to be efficient for gas exchanges
-A large surface area, - A moist surface, -A this permeable lining, -A good blood supply
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What is 'Residual Capacity'?
A small amount of air that cannot be breathed out
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How do organisms such as amoeba and earthworms exchange gases?
They have permeable skin to exchange the gases also their skin has to be kept moist for the oxygen to dissolev
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Name three lung diseases
1. Industrial- asbestosis, inflammation and scarring limiting gas echange. 2.Genetic- cystic fibrosis, too much mucus in the bronchioles. 3.Life style- lung cancer, cells grow reducing the surface area in the lung
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What are the symptoms of asthma? And the treatment
difficulty breathing, wheezing, tight chest. An inhaler is used to relieve symptoms
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Other cards in this set
Card 2
Front
What is 'Residual Capacity'?
Back
A small amount of air that cannot be breathed out
Card 3
Front
How do organisms such as amoeba and earthworms exchange gases?
Back
Card 4
Front
Name three lung diseases
Back
Card 5
Front
What are the symptoms of asthma? And the treatment
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