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Altitude - Coggle Diagram
Altitude
Responses to High Altitude
Hyperventilation
Impaired Gaseous Exchange
Increase in ventilation
Altitudes where air oxygen is low
Brains blood vessels contract
Dizziness, Headaches, Nausea
Tachycardia
Resting HR is higher than normal
More than 100bpm
Can be causes as a result of low temp
Reduction in Partial Pressure of Oxygen
Decrease in arterial 02 pressure
Cuase chemoreceptors to become more responsive to CO2
Brain will try and compensate for less O2 avaliable in air
Lower haemoglobin levels in blood
5000m above sea level----O2 levels 70%
Sea level----O2 levels 98%
Reduced VO2 max
Estimated drop of 2% every 300m above sea level
Adaptations to High Altitude
Capillarisation
Number of capillaries incraeses
Incraese in gaseous exchange
More oxygen is used efficiantly
Enhance Performance
Incraese in Mitochondria
Myoglobin and Mitochondria in cells increase
Oxidative Enzymes
Number of mitochondria increases.
Allows type 1 and type 2a muscle fibres to increase
Incraeses levels of O2 for use of aerobic energy system