Sistemarespiratoriopowerpoint 110604141224-phpapp01

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Sistemarespiratoriopowerpoint 110604141224-phpapp01

  1. 1. Bronquíolos
  2. 2. retraem-se
  3. 3. A HEMATOSE PULMONAR consiste na troca gasosa que ocorre nos alvéolos pulmonares. O CO2 sai do sangue para os alvéolos e o oxigénio faz o caminho inverso. A HEMOGLOBINA (Hb)ligada ao O2 forma a oxiemoglobina. (Sangue arterial ou oxigenado). A carboemoglobina (CO2 + Hb) / Carboxiemoglobina (CO + Hb), esta ligação é definitiva e fatal.

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