Organs working together to perform a specific bodily function Cytoplasm 2. to draw together Contract 3. a structure that performs a specific function within a cell Cell 4. the genetic "blueprint" that determines the cell's purpose and function Nucleus 5. the organelle within a cell that functions as its brain, regulating its production of protein Tissue 6. a group of cells that have the same purpose System 7. the basic structural unit of the body DNA 8. a group of tissues that works together to perform a specified bodily function Organ 9. the fluid-like substance contained within the cell membrane Organell