|The Mammalian gas exchange organs are:
|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…
|When you breathe in and out, the alveoli stretch and recoil, what sort of tissue enables this to happen?
|Name another type of fibre that alveoli are lined with
|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