Question

how do subtances co2 and wayer move in and out of the cell

Answer 1

co2 moves in and out of the cell by diffusion.this is a by process which gases move in and out of the cell through plasma membrane
water moves in and out by osmosis

Answer 2

Heya...

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Plant Cell:

CO2 Moves out of cell by diffusion through opening & closing of stomata

Water leaves out of plant cell by osmosis.... If The Water inside, Concentration is high, it goes out

Some other process:

Transpiration

Guttation 

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Animal Cells:

All The CO2 Gets collected from cells and leave body by respiration 

Water leaves in form of urine and sweat....

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Hope this Helps....

Thanks....

:-)