A plant absorbs water through its roots, going up through the stem, to the rest of the plant. There are little openings in the leaves called "pores" which also absorb a bit of water and cells as well. -Hope this helped! Love, KOOKIE MONSTER
The small openings in the nuclear envelope that regulate what substances enter and exit the nucleus are called nuclear pores. A process of depositing a vesicle's contents outside the cell is exocytosis.