Respiration 5.0 / 5 based on 2 ratings ? Physical EducationRespiratory systemGCSEEdexcel Created by: megan.leigh01Created on: 13-10-16 14:56 Respiration is the release of energy from in the muscles. glucose 1 of 10 When the body is at rest this is respiration. aerobic 2 of 10 When exercising very hard, the heart cannot get enough oxygen to the muscles. Respiration then becomes ........ anaerobic. 3 of 10 more...... used to create energy oxygen 4 of 10 more .......... produced as a waste product of energy production carbon dioxide 5 of 10 less oxygen as it has been used in ....... respiration 6 of 10 ............takes place by diffusion in the alveoli within the lungs. As a result the composition of inhaled and exhaled air is different. Gas exchange 7 of 10 the......... relax, the ribcage drops inwards and downward intercostal muscles 8 of 10 the diaphragm contracts, pulling downwards to increase the........ of the chest volume 9 of 10 After passing into the many bronchioles, it finally arrives into some of the millions of tiny sacs called ...... alveoli. 10 of 10
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