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5 Cards in this Set

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CELLS
These are the simplest form of life. They are the building blocks of life. There are many kinds including epithelial, squamous, and smooth.
TISSUE
2 or more cells working together to perform a common function.
ORGANS
Tissues that work together form these. We have several hundreds in our body.
ORGAN SYSTEMS
Organs that work together for this. Some examples are the Nervous, Skeletal, Muscular, Digestive, Respiratory, Cardiovascular or Excretory.
ORGANISM
This is when cells form tissues, tissues form organs, organs form organ systems and organ systems form the entire _________________.