Criado por Elena Cade
mais de 9 anos atrás
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Questão | Responda |
The Mammalian gas exchange organs are: | The Lungs |
Name 3 structures of air passes through in order to reach the lungs: | Trachea Bronchi Bronchioles |
What feature of the gas exchange surface results in an increased rate of gas exchange? | Large Surface area |
Why are the gas exchange surfaces very thin? | To create a short diffusion pathway |
Movement of the environmental medium i.e. air and movement of the internal medium i.e. blood maintain a… | Diffusion Gradient |
When you breathe in and out, the alveoli stretch and recoil, what sort of tissue enables this to happen? | Elastic Tissue |
Name another type of fibre that alveoli are lined with | Collagen |
During inspiration and expiration, describe what the intercostal muscles do: | Inspiration: Contract Expiration: Relax |
During inspiration and expiration what does the Diaphragm do? | Inspiration: Contract and flatten Expiration: Relax and dome up |
During inspiration and expiration the volume of the lungs... | Inspiration: Increases Expiration: Decreases |
During inspiration and expiration, the pressure of the lungs: | Inspiration: Decreases Expiration: Increases |
During inspiration and expiration, the air moves... | Inspiration: Air moves in Expiration: Air moves out |
What is the equation of pulmonary ventilation: | Tidal volume x expiration rate |
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