Dissolved substance can move into and out of cells by diffusion
Responda
True
False
Questão 2
Questão
Diffusion is the [blank_start]net[blank_end] movement of [blank_start]particles[blank_end] from [blank_start]high[blank_end] concentration to [blank_start]low[blank_end] concentration. The [blank_start]greater[blank_end] the difference in concentration, the faster the rate of diffusion
Responda
high
low
greater
net
particles
Questão 3
Questão
how if diffusion used in our body
Responda
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
Questão 4
Questão
As the [blank_start]temperature[blank_end] increases, the amount of energy available for diffusion is increased. This means that a given particle will move [blank_start]faster[blank_end] (there is more energy >pushing= it) at a higher temperature. Thus the [blank_start]rate of diffusion[blank_end] will be faster as the temperature increases.
Responda
temperature
faster
rate of diffusion
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