P.E Theory, 1.2.3

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  • Created by: emmajane_
  • Created on: 08-03-14 13:08
Why is the respiritory system vital to a performer?
to recieve air (containing oxygen) into body for circulatory system to circulate. Also can't get rid of CO2
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Why does your breathing rate increase during exercise?
To increase the amount of oxygen taken into the body
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Why does the depth of your breathing increase?
To increase the amount of oxygen taken into the body
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What is oxygen debt and how is it repaid?
Oxygen used during anaerobic exercise often results in oxygen debt and is repaid through deep gasping breaths at end of activity
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Why is lung efficiancy improved over time?
To allow better delivery of oxygen to working muscles nd better revoval of CO2 from the body
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What is vital capacity and why is it improved over time?
It's the maximin amount of air that can be expired after maximal inspiration. It will increase due to the lungs being more efficient.
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Why do more alveoli become available over a long period of time and why does this happen?
More alveoli become available for gaseous exchange. Means that more oxygen can be absorbed by capillaries and CO2 taken from them. Therefore VO2 max is increased
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What effect does nicotine have on the alveoli?
Smoking makes lungs less stretchy and efficiant. Makes gaseous exchange difficult, leaving them short of breath. Also, amkes heart work harder to get O2 their bodies need-makes them tired
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Other cards in this set

Card 2

Front

Why does your breathing rate increase during exercise?

Back

To increase the amount of oxygen taken into the body

Card 3

Front

Why does the depth of your breathing increase?

Back

Preview of the front of card 3

Card 4

Front

What is oxygen debt and how is it repaid?

Back

Preview of the front of card 4

Card 5

Front

Why is lung efficiancy improved over time?

Back

Preview of the front of card 5
View more cards

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