Robert Harding

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1348-1169 - Spirometry consist in measuring the volume and the flow of air that a person is able to inhale and expire. This breath test can be used to detect COPD and asthma. Here the person used a peak flow meter that mesures the peak expiratory flow
1348-1168 - Spirometry consist in measuring the volume and the flow of air that a person is able to inhale and expire. This breath test can be used to detect COPD and asthma. Here the person used a peak flow meter that mesures the peak expiratory flow
990-133 - Just a split second before surfacing, a Beluga whale (Delphinapterus leucas) opens its blowhole to exhale ready to inhale when the blowhole has cleared the water. Beluga whales are an endangered and protected species in the St. Lawrence estuary, Canada
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