Respiration and Exercise
- Created by: alexda
- Created on: 09-04-15 23:45
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- Respiration and Exercise
- Anaerobic respiration happens when there is not enough oxygen available. Anaerobic means without air. It is the incomplete breakdown of glucose.
- Anaerobic respiration release less energy than aerobic respiration but it keeps your muscles working for longer.
- Anaerobic respiration results in an oxygen debt that has to be repaid in order to oxidise toxic lactic acid to carbon dioxide and water.
- Heart rate and breathing rate remain high after exercise to normalise oxygen levels in the body that were withdrawn during exercise.
- The amount of oxygen required is called the Excess Post-Exercise Oxygen Consumption (EPOC).
- Anaerobic respiration results in an oxygen debt that has to be repaid in order to oxidise toxic lactic acid to carbon dioxide and water.
- This form of respiration produces a buildup of lactic acid in the muscles which is painful and causes cramps.
- Anaerobic respiration release less energy than aerobic respiration but it keeps your muscles working for longer.
- During vigorous exercise muscle cells may not receive sufficient oxygen for their energy requirements so they start to respire anaerobically.
- Muscles need energy from respiration to contract. During exercise your muscles contract more than at rest so they need more energy.This energy comes from increased respiration.
- The increase in respiration means you need to get more oxygen into the cells.
- Your breathing rate increases to increase volume of oxygen in the blood and heart rate increases to transport oxygenated blood around the body faster.
- To deal with the increased demand, the rate of diffusion of carbon dioxide and oxygen at the lung surface and in muscle cells increases.
- Your breathing rate increases to increase volume of oxygen in the blood and heart rate increases to transport oxygenated blood around the body faster.
- The increase in respiration means you need to get more oxygen into the cells.
- Anaerobic respiration happens when there is not enough oxygen available. Anaerobic means without air. It is the incomplete breakdown of glucose.
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