Applied Science- Human ventiliation system 0.0 / 5 ? Applied ScienceHuman ventilation system ASOCR Created by: Sophie MasettiCreated on: 07-05-15 09:57 Ribs and sternum during inhalation... Raised by contraction of external muscles 1 of 10 Ribs and sternum during exhalation... Lowered by gravity and contraction of intercostal muscles 2 of 10 Diaphagm during inhalation... Pulled down by contraction of muscle fibres in diaphagm (flat) 3 of 10 Diaphagm during exhalation... Moves up due to contraction of abdominal wall muscle, elastic recoil, or resitance offered by gut (dome shape) 4 of 10 Volume of thorax during inhalation... Increases 5 of 10 Volume of thorax during exhalation... Decreases 6 of 10 Air pressure inside throax during inhalation... Decreases 7 of 10 Air pressure inside thorax during exhalation... Increases 8 of 10 Air movement during inhalation... From the atmosphere to the lung air space 9 of 10 Air movement during exhalation... From the lung air space into the atmosphere 10 of 10
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