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5 Cards in this Set
- Front
- Back
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Thorax
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The thorax is the upper region of the body which separates the lungs from the lower part of the body by the diaphragm.
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What is ventilation?
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Ventilation is the process of bringing air into and out of the lungs!
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What outlines the lungs and supports them?
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The pleural membranes which also trap pleural fluid to protect the lungs from creating friction with the ribs.
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What occurs whilst BREATHING IN (the contractions and pressure)?
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1) Intercostal muscles and diaphragm contract (diaphragm moves downwards and chest moves upwards)
2) volume of thorax increases 3)decreases the pressure drawing air in! |
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What occurs whilst BREATHING OUT?
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1) intercostal muscles and diaphragm relax
2) thorax volume decreases 3)air is forced out! |
