biology b3 aqa gcse

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what is diffusion?
the net movement of particles from a high concentration to a low concentration
1 of 6
what is the role of the pulmonary vein?
carry blood into heart from lungs
2 of 6
what is urea?
the waste product formed from the breakdown of excess amino acids in the liver
3 of 6
what is urobilin?
the yellow pigment that comes from the breakdown of haemoglobin in the liver
4 of 6
what is the role of the villi?
increase surface area for the absorption of food
5 of 6
what is transpiration?
loss of water vapour from stomata when open for gaseous exchnage
6 of 6

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Card 2

Front

what is the role of the pulmonary vein?

Back

carry blood into heart from lungs

Card 3

Front

what is urea?

Back

Preview of the front of card 3

Card 4

Front

what is urobilin?

Back

Preview of the front of card 4

Card 5

Front

what is the role of the villi?

Back

Preview of the front of card 5
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Comments

Abdullah-A

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pretty good, maybe the options should be more similar so more thinking is required. 

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