Respiration and Exercise

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What is Respiration?
The process of releasing energy from glucose which goes on in every cell
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Where/when does Aerobic Respiration take place?
Continuosly in both plants and animals, in the mitochondria of cells
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What is Aerobic Respiration and what is the equation for it?
Respiration using oxygen, Glucose + Oxygen -- Carbon Dioxide + Water + Energy
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What is the energy released during oxygen used for?
To build larger molecules from smaller ones, to allow muscles to contract, maintain a steady body temperature, build up amino acids from from sugars nitrates and other nurtrients (in plants)
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What are the effects of exercise on the body?
Increases heart rate, rate and depth of breathing increases, more co2 is removed from the blood
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What happens to the muscles during vigorous exercise?
an increase in muscle activity requires more glucose and oxygen to be supplied to the muscle cells
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What's the equation for anaerobic respiration?
Glucose --> Energy + Lactic Acid
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When does Anaerobic respiration happen?
When there isn't enough oxygen reaching the muscles
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What causes muscle fatigue?
The build up of lactic acid in the muscles when they've been carrying out vigorous activity for a long timeW
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What removes lactic acid?
Blood flowing through the muscles
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What type of respiration releases the most energy?
Aerobic Respiration
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What does Anaerobic respiration mean?
Respiration without oxygen, the incomplete breakdown of glucose
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What is an Oxygen debt?
This is when you have to repay the oxygen that didn't get to your muscles in time, the oxygen needed to oxidise the lactic acid into carbon dioxide and water
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What happens when the heart rate increases?
There is an increase in blood flow to the muscles
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What is Glucose stored as in the muscles?
Glycogen
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What happens to Glycogen during exercise?
It's broken down into glucose in the muscles
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Other cards in this set

Card 2

Front

Where/when does Aerobic Respiration take place?

Back

Continuosly in both plants and animals, in the mitochondria of cells

Card 3

Front

What is Aerobic Respiration and what is the equation for it?

Back

Preview of the front of card 3

Card 4

Front

What is the energy released during oxygen used for?

Back

Preview of the front of card 4

Card 5

Front

What are the effects of exercise on the body?

Back

Preview of the front of card 5
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