Across
- 2. consists of the kidneys, ureters, bladder, and the urethra
- 6. The system that transports oxygen
- 10. internal framework of the human body
- 11. The system that breaks down and absorbs nutrients
- 12. set of organs forming the outermost layer of the body
- 13. messenger system in an organism comprising feedback loops of hormones
- 14. vertebrates that are part of the immune system
- 15. Consists of the skeletal, smooth, and cardiac muscles
Down
- 1. an organ system that gives humans the ability to move using their muscular and skeletal systems
- 3. Sends information from your body to the brain
- 4. passive biological system that removes excess, unnecessary materials from the body fluids of an organism
- 5. Two or more organs that work together to perform body functions
- 7. The system that allows you to breathe
- 8. made up of all anatomical organs involved in sexual reproduction
- 9. a network of biological systems that protects an organism from diseases