B3.1

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  • Created by: Chloe
  • Created on: 11-05-13 14:34
Why does active transport require energy?
The particles are being absorbed against a concentration gradient.
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Why is glucose lost during exercise?
Glucose is used in the process of respiration to release energy.
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How are mineral ions lost from the body during exercise?
By sweating.
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Which structures increase the surface area of the lungs?
Alveoli.
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Which muscles contract when you breathe in?
The intercostal muscles and diaphragm.
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What features of Villi make efficient exchange surfaces?
Large surface area, good blood supply, thin walls.
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Why do leaves have Stomata?
To allow gases to diffuse in and out of the leaf.
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By what process does does water vapour move out of leaves?
Diffusion
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Other cards in this set

Card 2

Front

Why is glucose lost during exercise?

Back

Glucose is used in the process of respiration to release energy.

Card 3

Front

How are mineral ions lost from the body during exercise?

Back

Preview of the front of card 3

Card 4

Front

Which structures increase the surface area of the lungs?

Back

Preview of the front of card 4

Card 5

Front

Which muscles contract when you breathe in?

Back

Preview of the front of card 5
View more cards

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