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How is the body organized?
Cell
Microscopic
Made up of organelles
All living things are made up of cells
Organelle
Substructure of a cell
It performs a specific function
Found inside the cell
TissueA group of cells working together form a tissue.
Ex: Muscle cells working together form muscle tissue
Organ One or more tissues working together to perform a specific function.
Ex. stomach, skin, liver
kidney lungs
Organ SystemTwo or more organs that work together to perform a specific process.Ex. Stomach, small intestine, large intestine all work together to form the digestive system.
Digestive system
Organism
When all organ systems work together and create a living thing
Ex. fungi, plants, animals
cells tissues
organs
organelles
Organ systems
organism
There are many different types of cells! They have a variety of sizes and shapes! Why is this?
Each type of cell carries out a different function
Ex. Muscle cells, nerve cells, sperm cells