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Sport - Respiratory
Sport - Respiratory System - Breathing
| Question | Answer |
|---|---|
| What is 'pulmonary ventilation'? | breathing (transporting air into and out of the lungs) |
| What does the thorax have to do to take air in? | increase |
| What does the thorax have to do to let air out? | decrease |
| What is 'inspiration'? | breathing in |
| What is 'expiration'? | breathing out |
| What do the diaphragm & external intercostal muscles do when you inspire (breathe in)? | contract |
| What do the diaphragm & external intercostal muscles do when you expire (breathe out)? | relax |
| When does the pressure inside the lungs reduce? | when you breathe in (inspire) |
| When does the pressure inside the lungs increase? | when you breathe out (expire) |
| What is gas exchange? | the process of exchanging one type of gas for another |
| Where does gas exchange happens in the lungs? | diffusion between air in the alveoli & blood in the capillaries surrounding their walls |
| What does gas exchange do in the lungs? | delivers oxygen from the lungs to the bloodstream, removes carbon dioxide from the bloodstream to the lungs |
| How does oxygen diffuse into the blood? | through the thin walls of the capillaries, through the red blood cell membrane & latches onto haemoglobin |
| How does carbon dioxide diffuse from the blood? | from the blood plasma into the alveoli |
Created by:
samfitter
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