Biology unit 3 aqa

Hope this helps 

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  • Created by: Jemima
  • Created on: 20-05-12 16:22
Where are the villi found?
Small intestine
1 of 7
They are adapted like this so
food is absorbed much more quickly into the blood
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How does food move into the blood?
Diffusion and active transport
3 of 7
Where are alveoli found?
Lungs
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How is active transport different to diffusion and osmosis?
Against the concentration gradient
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What would happen if we didnt have active transport?
Starve
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What carries oxygen round the body?
Red blood cells
7 of 7

Other cards in this set

Card 2

Front

They are adapted like this so

Back

food is absorbed much more quickly into the blood

Card 3

Front

How does food move into the blood?

Back

Preview of the front of card 3

Card 4

Front

Where are alveoli found?

Back

Preview of the front of card 4

Card 5

Front

How is active transport different to diffusion and osmosis?

Back

Preview of the front of card 5
View more cards

Comments

kayleigh

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pretty good quiz helped me to remember key facts, thanks :) 

Nuha

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   thnkx... ths reali helpd me

Amybaker

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full marks woo good test

Rob

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Alveoli having thin walls is an adaptation to maximise the diffusion of carbon dioxide and oxygen though, because it creates a short diffusion pathway meaning more oxygen and carbon dioxde can diffuse, and quicker!

Right?

Lucy

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Thank you!!

Yep, Rob that's right.

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