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A respiração é uma função vital, inata e automática para a sobrevivência do indivíduo, sendo a primeira função pós-natal. O sistema respiratório consiste num conjunto de órgãos tubulares e alveolares situados na cabeça, pescoço e cavidade torácica que participam nas trocas gasosas realizadas entre o indivíduo e o meio externo. Antes de chegar aos pulmões, o ar inspirado tem de percorrer um longo caminho, atravessando estruturas como a cavidade nasal, faringe, laringe, traqueia e brônquios. A e
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🔹️O sistema respiratório pode ser dividido em duas porções: uma parte condutora e uma parte respiratória. 🔸️Fazem parte da porção condutora as fossas nasais, faringe, laringe, traqueia, brônquios, bronquíolos e bronquíolos terminais. ▫️Já a porção respiratória é constituída pelos bronquíolos respiratórios, ductos alveolares e alvéolos. 📚A porção respiratória tem a importante função de realizar as trocas gasosas, ou seja, o oxigênio retirado do meio externo é disponibilizado para o sangue,
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