Diffusion

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Diffusion is the movement of particles from an area of high concentration...
to an area of low concentration
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It takes place because of the random movement of the particles of a...
gas or of a substance in solution in water
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1. Concentration gradient - The longer the difference in the the no. of particles in each area...
the faster the rate of diffusion
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2. Temperature - The higher the temperature, the more...
kinetic energy the particles have, so the faster they move
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3. Surface Area - The larger the surface area...
the faster the rate of diffusion
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Examples of Diffusion in livng organisms - Glucose and amino acids from the...
breakdown of proteins into your gut, can alo pass through membranees
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In the alveoli, the Oxygen moves into the blood by D and...
the CO2 passes out of the blood by D
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Lungs have - A good surface area and...
blood supply
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A thin Diffusion distance and is...
moist (D takes place quicker through a wet surface)
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Lungs have - A good surface area and...
blood supply
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A thin Diffusion distance and is...
moist (D takes place quicker through a wet surface)
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Other cards in this set

Card 2

Front

gas or of a substance in solution in water

Back

It takes place because of the random movement of the particles of a...

Card 3

Front

the faster the rate of diffusion

Back

Preview of the back of card 3

Card 4

Front

kinetic energy the particles have, so the faster they move

Back

Preview of the back of card 4

Card 5

Front

the faster the rate of diffusion

Back

Preview of the back of card 5
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