Across
- 4. means one
- 7. the arrangement of parts that make up something
- 8. a group of organs that work together to carry out certain functions
- 11. the stalk of a leaf, attaching the blade to the stem
Down
- 1. the way that something works to achieve a task or serve a purpose
- 2. a group of similar cells joined together
- 3. a body part make up of related tissues that perform a specific function
- 5. a bundle of cells that sends and receives messages between the brain and other body parts
- 6. a gas breathed in by land animals through lungs and aquatic animals through gills
- 9. means many
- 10. the smallest unit of life