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Pe Studies > respiratory system > Flashcards

respiratory system Flashcards

1
Q

Structure

A

Three things:
* lungs
* diaphragm
* Alveoli

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2
Q

Inspiration

A
  • Diaphragm contracts
  • Thorac cavity expands
  • air pressure in the lungs drops
  • air drawn into lungs due to pressure difference
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3
Q

Expiration

A
  • Diaphragm relaxes
  • pleural cavity contracts
  • air pressure in the lungs increases
  • air is pushed out of the lungs
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4
Q

Air passage

A

Nasal cavity >Pharynx > Larynx > Trachea > Bronchi > Branchioles > Alveoli

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Pe Studies (10 decks)

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