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Description
Flashcards by Camilla Donaldson, updated more than 1 year ago
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Created by Camilla Donaldson
almost 10 years ago
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| Question | Answer |
| What are the responses of the respiratory system to exercise? (2) | -increased rate and depth of breathing -increased gas exchange |
| How can we determine our aerobic fitness? | -respiratory system -VO2 max |
| What does the oxygen disassociation curve tell us? | The ability for haemoglobin to become saturated with oxygen at relatively low oxygen partial pressures. The S shape is significant in indicating that blood can become fully saturated with oxygen at low partial pressures. |
| What are adaptations of the respiratory system to exercise? | -an aerobic training scheme can increase the surface area of the alveoli, thereby increasing the surface area for gaseous exchange. -training will also strengthen the muscles involved in breathing (intercostal muscles/ diaphragm) |
| Give examples of secondary respiratory muscles | internal intercostals, pectorals, trapezium, latissumus dorsi and abdominals. |
| What is anatomical dead space? | The respiratory passageways in which air is ventilated through but doesn't contribute to gas exchange in the alveoli, it typically amounts to 150ml. Alveolar dead space (alveolar collapse/ obstruction by mucus) is added to this dead space. |
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