a process in which glucose is converted to pyruvate to produce energy
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Sarcoplasm
the fluid that surrounds the nucleus of a muscle fibre and is the site where anaerobic respiration takes place
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Krebs cycle
a series of cyclical chemical reactions reactions that take place using oxygen in the matrix of the mitochonrida
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Electron Transport Chain
involves a series of chemical reactions in the cristae of the mitochondria where hydrogen is oxidised to water and 34 ATP are produced
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Phosphocreatine (PC)
an energy-rich phosphate compound found in the sarcoplasm of the muslces
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Anaerobic
a reaction that can occur without the presence of oxygen
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Coupled reaction
when energy required by one process is supplied by another process
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Short-term lactate anaerobic system
produces high powered energy for high intensity effort in events such as the 400m
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Energy Continuum
a term which describes the type of respiration used by physical activities. Whether it is aerobic or anaerobic respiration depends on the intensity and duration of the exercise
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Oxygen consumption
the amount of oxygen we use to produce ATP
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VO2 max
the maximum volume of oxygen can be taken up by the muscles per minute
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Sub-maximal oxygen deficit
when there is not enough oxygen available at the start of exercise to provide all the energy (ATP) aerobically
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EPOC
the amount of oxygen consumed during recovery above that which would have been consumed at rest during the same time
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Fast Component
the restoration of ATP and phosphocreatine stores and the re-saturation of myoglobin with oxygen
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The Cori cycle
the process where lactic acid is transported in the blood to the liver where it is converted to blood glucose and glycogen
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Lactate threshold
the point during exercise at which lactic acid quickly accumulates in the blood
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OBLA
the point when lactate levels go above 4 millimoles per litre
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Buffering
a process which aids the removal of lactate and maintains acidity levels in the blood and muscle
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Calorimetry
the calculation of heat in physical changes and chemical reactions
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Indirect calorimetry
measures the production of CO2 and/or the consumption of O2
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Other cards in this set
Card 2
Front
the fluid that surrounds the nucleus of a muscle fibre and is the site where anaerobic respiration takes place
Back
Sarcoplasm
Card 3
Front
a series of cyclical chemical reactions reactions that take place using oxygen in the matrix of the mitochonrida
Back
Card 4
Front
involves a series of chemical reactions in the cristae of the mitochondria where hydrogen is oxidised to water and 34 ATP are produced
Back
Card 5
Front
an energy-rich phosphate compound found in the sarcoplasm of the muslces
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