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clear, gel like substance inside the cell that is constantly moving

cell membrane

the outside boundary that separates the cell from its environment. It allows materials to move in and out of the cell.

cell wall

found only in plant cells, gives cell its rigid boxlike shape, supports and protects the cell


large oval structure that directs the cell's activities. It acts as the "brain" of the cell.

endoplasmic reticulum

looks like a maze of passageways, moves protein and other materials around in the cell


attached to the endoplasmic reticulum, these small grains make proteins


rod or bean shaped structures that are called "powerhouse" because they generate energy for the cell. Muscle cells have lots of mitrochondria.

golgi body

looks like flattened sacs and tubes, they package and secrete (move) substances to other parts of the cell. It is referred to as the "mail room".


thin strands floating in the nucleus, hold genetic or instructions for the cell


small object floating in the nucleus that makes ribosomes


found in the cytoplasm, parts of the cell that act like organs in a body


large in plant cells, small or missing in some animal cells, they store water, food, waste, and other materials


small round objects in animal cells that contain chemicals to break down food, digest wates, and worn out cell parts


found only in plant cells, green objects that capture energy from sunlight to produce food

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