Name_______________________________ class_________date________________ Vocabulary Words Words Definition 1. Organ system A group of organs that work together to do a job for the body 2. Organ A group of tissues that work together to perform a certain function The basic unit of structure and function of all living things. 3. Cell 4. Organism Every living thing in the world 5. Tissue A group of cells that work together to perform a certain function 6. Mitochondrion In the cytoplasm “powerhouse of the cell” 7. Vacuole Store water, nutrients or waste material. 8. Cell membrane 9. Chromosome Outer boundary surrounds each organelle keeping it separate from other cell contents. Tiny threadlike structures, contain information about the characteristics of the cell (an individual’s genetic code.) The frame of a plant cell, surrounds the cell membrane 10. Cell wall 11. Chloroplast Inside the cytoplasm and it makes food for plant cells Drawing Stomach is part of digestive system lungs are part of respiratory Stomach, lungs, heart Plant and animal Skin, muscle, nervous Word Definition 12. Nucleus Organelle that directs all of a cell’s activities. (the brain) 13. Cytoplasm A material-like jelly containing chemicals that help keep a cell healthy. the restoration or new growth of 14. regeneration organs, tissues, etc., that have been lost, removed, or injured. 15. plant cell eukaryotic cell, surrounded by a stiff cell wall that helps it to keep a rectangular shape; it contains chloroplast that gives it a green color 16. animal cell eukaryotic cell, that has a round or circular shape. 17. osmosis The movement of a solvent through a membrane separating two solutions of different concentrations. 18. virus A microorganism that consists of a core of nucleic acid surrounded by protein. Viruses can grow and reproduce only inside living cells. 19. mitosis a method of cell division, in which the nucleus divides Drawing