Coordination des échanges gazeux Flashcards

1
Q

Étapes échanges gazeux

A
  1. Inspiration
  2. Alvéole
  3. Veines pulmonaires et artères
  4. Capillaires des tissus
  5. Artères pulmonaires et veines
  6. Expiration
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2
Q

Pression inspiration

A
  • PO2 atm > PO2 alvéole -> entrée
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3
Q

Pression alvéole

A

PO2 alvéoles > PO2 sang à diffusion

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4
Q

Capillaires des tissus

A

Diffusion O2 CO2

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5
Q

Pression expiration

A

PCO2 atm < PCO2 alvéole à sortie

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