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lesson 1&2
Term | Definition |
---|---|
tissue | a group of similar cells that preform a spacific function |
organ | a body part that preforms a spacific function |
organ system | a group of organs working together |
radical | imaginary lines can be drawn through a central point to divide it into two mirror images. |
bilateral | If only one line of symmetry can be drawn to divide it into HALVES that are mirror images. |
asymmetrical | no symmetry |