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GCSE
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More cards in this set
Card 16
Front
What are proteins?
Back
Card 17
Front
What are enzymes?
Back
Card 18
Front
What factors affect enzymes?
Back
Card 19
Front
What is a use of and enzyme?
Back
Card 20
Front
What happens when we breathe in?
Back
Card 21
Front
What are three reasons why a person cannot get enough oxygen into their blood stream?
Back
Card 22
Front
What can the energy from aerobic respiration be used for?
Back
Card 23
Front
Why does your heart rate increase when you exercise?
Back
Card 24
Front
When does anaerobic repiration kick in?
Back
Card 25
Front
Describe the chambers of the heart?
Back
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