Water moving up the stem in the xylem in the transpiration stream, Water entering the leaf in the xylem, Root hairs on roots increase surface area for osmosis to move water into plant, Water entering roots via osmosis and then entering the xylem, Water diffusing out of leaves through open stomata, this is called transpiration, Air spaces in the spongy mesophyll tissue of the leaves contain water vapour, When the stomata are open water vapour diffuses out in transpiration as well as oxygen, carbon dioxide diffuses in, Inside the xylem, water molecules are pulled up in a chain, this is called the transpiration stream.

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