breathing 0.0 / 5 ? Physical EducationbreathingGCSEAQA Created by: lucyeatkinCreated on: 22-04-14 19:09 how do we breath in? air goes in through mouth and nose, down the trachea, down the bronchi to the bronchioles then to the alveoli 1 of 6 what happens to the intercostal muscles as we breath in? they contract and lifts the ribcage up 2 of 6 what happens as the diaphragm contracts and the volume as we breath in? pulls diaphragm down and increase in volume 3 of 6 what happens to the volume of chest and pressure as we breath in? volume of chest increase and the pressure falls 4 of 6 information about aerobic respiration? presence of oxygen, low intensity, long time 5 of 6 information about anaerobic respiration? absence of oxygen, high intensity, short time 6 of 6
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