HEART RATE: Rate at which the Heart beats (measured in beats per minute)
ADRENALINE: Hormone produced by Adrenal Gland that increases heart rate for 'fight or flight' response
HEART RATE DURING EXERCISE
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Graph Showing the Heart Rate During Exercise
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PROCESS:
During exercise, more energy is needed via respiration to allow muscle contractions to occur to facilitate movement
Hence, heart rate will increase to allow more Oxygen transport in blood to respiring cells for movement to occur
If energy demand exceeds Oxygen intake, energy may be produced via anaerobic respiration, producing Lactic acid as a waste product
After exercise, heart rate continues to increase as extra Oxygen is needed to break down the Lactic acid produced - Oxygen debt
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EFFECT OF ADRENALINE ON HEART RATE
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Diagram Showing Where Adrenaline is Produced
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PROCESS:
During times of fear or stress, Adrenaline is produced by Adrenal glands and secreted into the bloodstream
As a result, Liver cells convert Glycogen into Glucose to increase blood glucose levels
Additionally, breathing and heart rate increases to increase blood flow
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for the part during exercise, it should be "anaerobic respiration" because lactic acid is being produced, if energy demand exceeds oxygen intake, the body starts to use its sugars and convert it into lactic acid for more energy hence anaerobic respirations equation: C6H1206(glucose) -> C3H6O3(lactic acid)
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