Test - Respiratory And Excretory Flashcards

1
Q

What happens to cause air to be exhaled from the lungs?

A

The diaphragm relaxes and moves upward

NB pg. 79

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2
Q

What is a substance NOT elimted by the urinary system? How is it removed?

A

Carbon dioxide is excreted through the lungs

NB pg. 82

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3
Q

What is the topmost part of the respiratory system? What is its function?

A

Epiglottis, which closes off the trachea when a person swallows

NB pg. 78

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