Respiratory System Flashcards

1
Q

Name the organ in the Respiratory System?

A

Lung

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2
Q

What is the percentage of oxygen in an inspired breath?

A

20%

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3
Q

What is the percentage of oxygen in an expired breath?

A

16%

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4
Q

Where does gaseous exchange take place?

A

In the Alveoli (air sacs)

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5
Q

What bony structure protects the lungs?

A

The rib cage

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