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Sport - Respiratory
Sport - Respiratory System - Responses
| Question | Answer |
|---|---|
| What 3 things increase during exercise? | Demand for oxygen. Carbon dioxide levels. Breathing rate. |
| What happens to breathing rate when exercise stops? | it slows |
| When might you experience an anticipatory rise in breathing rate? | before exercise |
| What causes tidal volume to increase? | extra demand for oxygen |
| What does an increase in tidal volume allow? | More air to pass through the lungs. Oxygen to be delivered to the working muscles. |
| How much can minute volume increase by during intense exercise? | 15 times |
| How does the respiratory system adapt to training (3 things)? | Increased vital capacity. Increased strength of respiratory muscles. Increased oxygen and carbon dioxide diffusion rate. |
| What does an increase in vital capacity mean? | a more efficient supply of oxygen to the working muscles |
| What does increased strength of respiratory muscles do? | stronger diaphragm and intercostal muscle will increase the chest cavity allowing more oxygen to be taken into the lungs |
| What does increased Oxygen and Carbon Dioxide Diffusion Rate mean? | More oxygen can be delivered to the working muscles. More carbon dioxide can be removed and exhaled. |
| What is Asthma? | a condition whereby the airways of the respiratory system become restricted |
| What can induce an asthma attack? | exercise |
| How does asthma reduce performance? | it restricts oxygen getting to the working muscles |
| What does asthma do to the airways? | makes the bands around the airways contract and tighten so air cannot move freely in or out of the body |
| How can asthma benefit someone with asthma? | it can reduce the effects by increasing respiratory muscles, vital capacity and the oxygen and carbon dioxide diffusion rate |
| What does 'partial pressure' tell us? | how much of a particular gas is present |
| The greater the difference in gasses, the..... | faster the rate of diffusion |
| What is there less of at altitude (great heights)? | oxygen |
| Less oxygen at altitude can make you feel? | short of breath, dizzy & trouble concentrating |
| The lack of oxygen at altitude can cause 'hypoxia' which causes... | an increase in breathing rate and depth |
| What would happen to your respiratory system if you kept training at altitude? | it would adapt |
| How would your body adapt to training at altitude? | Increase in red blood cells & capillaries to allow more oxygen to be diffused to the working muscles |
Created by:
samfitter
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