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Lesson 1 - CELLS

Across
Organelle that determines a cell's activities
Thin cell covering that holds the parts together
Organs that work together to perform a function
Down
Process by which particles of a substance move from an area where there are many particles of the substance to an area where there are fewer particles of the substance
Cells that work together to perform a specific function
Jellylike substance that contains many chemicals to keep a cell functioning
Tissues that work together
Movement of water and dissolved materials through cell membrane
Basic unit of structure and function of all living things