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Osmosis

Osmosis

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This lesson will explain the process of osmosis and will describe the role of osmosis in our bodies.

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Tutorial
TERMS TO KNOW
  • Osmosis

    The movement of water across a selectively permeable membrane

  • Tonicity

    The concentration gradient of a solute in a solution

  • Isotonic

    A type of tonicity where there is an equal amount of solute on both sides of a membrane

  • Hypotonic

    A type of tonicity where there is a lower concentration of solutes outside of a cell than inside a cell

  • Hypertonic

    A type of tonicity where there is a higher concentration of solutes outside of a cell than inside a cell

  • Selectively Permeable

    A membrane that can regulate which molecules are able to pass through the membrane and which can't

  • Passive Transport

    Movement of molecules across a membrane without the use of energy