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Long term effects of exercise on the respiratory system
Transcript of Long term effects of exercise on the respiratory system
Increased minute ventilation
Can you remember what minute ventilation is?
Increased strength of respiratory muscles
The respiratory muscles are...
Increase in oxygen diffusion rate
Diffusion happens in the alveoli where high pressure diffuses into low pressure and is the exchange of oxygen for carbon dioxide. By increasing the rate of diffusion it allows for more oxygen to be pushed around the body to the working muscles and more carbon dioxide to be removed. This will help your overall performance as more oxygen can be transported to the muscles so you can keep going for longer and more carbon dioxide will be being removed.
Increased vital capacity
With long term exercise vital capacity increases, this means that the amount of air that is able to be forced in and out in one breath will increase. This means more oxygen is able to enter the body and go to the working muscles so they can work harder and more diffusion can occur so there are less waste products such as lactic acid. With more oxygen being able to enter the body you can make more ATP and get rid of more carbon dioxide.
Minute ventilation increases with long term exercise
meaning you are able to breath in more per minute.
This means more oxygen is entering your body so
more can be delivered to the working muscles to give you more energy. This will also mean your breathing rate will increase.
As a result of long term exercise these muscles become stronger. When the muscles get stronger they are able to work better and have good effects of exercise, for example when the diaphragm and intercostal muscles get stronger they are able to make the chest cavity expand more which allows more oxygen to be inhaled and so more is able to be supplied to the muscles that need it. The increased strength of these muscles also means more carbon dioxide can be pushed out with more force.