Biology- Breathing

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What do ventilators do?
Help people breathe- disease/ injury
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Negative pressure
Causes air to be drawn in lungs and to be exhaled; air pumped into chamber causes vacuum.
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Positive pressure
Forces air into lungs, pressure stops once inflated- lungs deflate; face mask or tube.
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Energy is used for...
... growth/ repair, active transport, electrical pulses to nerves, heat generation, making proteins, moving.
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Aerobic respiration (equation)
In the presence of oxygen! glucose+ oxygen-> carbon dioxide+ water (+energy)
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Anaerobic respiration (equation)
In the absence of oxygen!! glucose-> lactic acid (+ energy)
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Lactic acid causes...
fatigue.
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How to get rid of lactic acid...
Oxygen debt- oxygen breaks down lactic acid (produces carbon dioxide and water)
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Anaerobic in yeast (equation)
glucose-> ethanol+ carbon dioxide (+ energy)
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Mitochondria
Most respiration reactions happen here; inner surface is folded to increase surface area.
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Other cards in this set

Card 2

Front

Causes air to be drawn in lungs and to be exhaled; air pumped into chamber causes vacuum.

Back

Negative pressure

Card 3

Front

Forces air into lungs, pressure stops once inflated- lungs deflate; face mask or tube.

Back

Preview of the back of card 3

Card 4

Front

... growth/ repair, active transport, electrical pulses to nerves, heat generation, making proteins, moving.

Back

Preview of the back of card 4

Card 5

Front

In the presence of oxygen! glucose+ oxygen-> carbon dioxide+ water (+energy)

Back

Preview of the back of card 5
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