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4
|
These are tiny sacs within our lungs.
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5
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Any of the small branches which start from the bronchus.
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6
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A gas everyone breathes in.
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7
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It is located under the liver and about half-way down the chest.
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9
|
The two main branches/tubes of the trachea are called __________________.
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10
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This is the plural of bronchus.
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12
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A pair of organs located within the rib-cage.
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1
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The primary opening for respiratory system.
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2
|
A large tube supported by rings of cartilage.
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3
|
We breathe this type of oxygen out.
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8
|
Commonly known as the throat and a common passage way.
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11
|
The red liquid that carries oxygen and carbon dioxide around the body is called, _________.
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