Across
- 3. a group of tissues that work together to perform closely related functions
- 5. eliminates waste products from the body
- 10. a group of similar cells that perform a particular function
- 12. recognizes and coordinates the body’s response to changes in internal and external environments
- 13. tissue that lines the interior and exterior body surfaces
- 14. transports oxygen, nutrients, and hormones to cells; fights infection; removes cell wastes; helps to regulate body temperature
Down
- 1. the process in which a stimulus produces a response that opposes the original stimulus
- 2. brings in oxygen needed for cellular respiration and removes carbon dioxide from the body
- 4. tissue that transmits nerve impulses throughout the body
- 6. tissue that makes movement of the body possible
- 7. breaks down food; absorbs nutrients; eliminates waste
- 8. tissue that provides support for the body and connects its parts
- 9. a group of organs that work together to perform a specific function
- 11. relatively constant internal conditions that organisms maintain despite changes in internal and external environments