le systeme respiratoire Flashcards

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1
Q

par quelles structures l’air passe t-il avant de se rendre au sang (dans l’ordre)

A
  1. fosses nasales
  2. pharynx
  3. larynx
  4. trachée
  5. bronches
  6. bronchioles
  7. alvéoles
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2
Q

quel air inspire t’on ?

A

O2 (oxygène)

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3
Q

quel air expire t’on ?

A

CO2

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4
Q

quels muscles aident à la respiration ?

A

les muscles intercostaux et le diaphragme

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5
Q

à quoi sert le mucus sécrété par les partout es des fosses nasales ?

A

humidifier l’air et emprisonner les impuretés

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6
Q

à quoi servent les cils vibratiles qui tapissent les fosses nasales, la trachée et les bronches ?

A

déplacent mucus et impuretés vers le pharynx

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7
Q

quel gaz passe des alvéoles au sang ?

A

le O2

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8
Q

quel gaz passe du sang aux alvéoles ?

A

le CO2

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