Biology

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Breathing structures and functions
Breathing occurs in every living creature.
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Trachea
A tube leading from the throat to the lungs and is made out of sturdy C-shaped rings of cartilage to stop it from collapsing. It is lined with ciliated cells to trap dirt and microbes.
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Bronchus (singular)/Bronchi (plural)
2 tubes leading from trachea into each lung.
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Bronchioles
Leads from bronchus and are tiny branches.
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Alveoli
Tiny air sacks that leads from bronchioles. A site of gas exchange, oxygen from lungs and into blood and carbon dioxide from blood into lungs.
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Lung disease
Bronchitics, emphysema and asthma
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Bronchitis
Inflammation that makes a part of the body swollen of air passages between the nose and lungs.
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Emphysema
A long term disease that causes shortness of breath by making the air passages smaller making it harder to breathe.
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Asthma
A long term condition that affects the airways. When they react, people find it difficult to breathe.
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Other cards in this set

Card 2

Front

A tube leading from the throat to the lungs and is made out of sturdy C-shaped rings of cartilage to stop it from collapsing. It is lined with ciliated cells to trap dirt and microbes.

Back

Trachea

Card 3

Front

2 tubes leading from trachea into each lung.

Back

Preview of the back of card 3

Card 4

Front

Leads from bronchus and are tiny branches.

Back

Preview of the back of card 4

Card 5

Front

Tiny air sacks that leads from bronchioles. A site of gas exchange, oxygen from lungs and into blood and carbon dioxide from blood into lungs.

Back

Preview of the back of card 5
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