katie-diving
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katie-diving
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1_B2 1.2 dissolved substance

Question 1 of 4

1

Dissolved substance can move into and out of cells by diffusion

Select one of the following:

  • True
  • False

Explanation

Question 2 of 4

1

Fill the blank spaces to complete the text.

Diffusion is the movement of from concentration to concentration. The the difference in concentration, the faster the rate of diffusion

Explanation

Question 3 of 4

1

how if diffusion used in our body

Select one of the following:

  • in the lungs - oxygen passes through the cell membranes by diffusion
    in the mothers placenta
    in the gut, to the blood in capillary of villus in small intestine

  • the air into our skin

Explanation

Question 4 of 4

1

Fill the blank spaces to complete the text.

As the increases, the amount of energy available for diffusion is increased. This means that a given particle will move (there is more energy >pushing= it) at a higher temperature. Thus the will be faster as the temperature increases.

Explanation