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Unit 4 Cell Transport

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Across
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The movement of water through a membrane; Diffusion of WATER molecules through a semipermeable membrane from HIGH concentration to Low.
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________helps to cool the body because heat is lost through the water.
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Movement of particles from less crowded areas to more crowded areas; Movement of substances through the cell membrane that REQUIRES ENERGY. Moving things from a LOW concentration to a HIGH concentration.
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Smelling movie popcorn as soon as you walk in a door is an example of __________because the smell of the popcorn moves from where it was made (high concentration- more crowded) to where you are walking in the door (less concentration - less crowded).
Down
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Two gummy bears were once the same size. The second gummy bear was placed in a coup of water. The second gummy bear GAINED water through ______________
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Movement of particles (molecules) from more crowded areas (or areas of high concentration) to less crowded areas (or areas of low concentration)
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The balance that all living things maintain in order to survive; Process by which organisms maintain a relatively stable internal environment.