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19 October 2015
- 14:3214:32, 19 October 2015 diff hist +61 Heart No edit summary
26 November 2014
- 14:4114:41, 26 November 2014 diff hist +231 File:Gas-exchange.png No edit summary current
- 14:2814:28, 26 November 2014 diff hist +257 N File:Gas-exchange.png Gas exchange in the alveoli.The average gas diffusion is about 0.75 seconds, in resting conditions. During exercise, however the blood passes through the alveolar-capillary system at much faster rate, due to the greater demand of oxygen in the muscle cell
- 14:1814:18, 26 November 2014 diff hist +2,338 N Heart rate and exercise Created page with "We could say that heart rate is determined by the number of times the heart beats in one minute (60sec). However the respiratory frequency (breathing rate) ha..."
