Across
- 5. The system with the goal to get waste out of the body
- 6. the system with the goal to exchange gases (oxygen and carbon dioxide)
- 10. each of the pair of organs situated within the rib cage, consisting of elastic sacs with branching passages into which air is drawn
- 11. the system that helps reproduce
- 13. The system made of bones
Down
- 1. Filters out cell waste
- 2. a hollow muscular organ that pumps the blood through the circulatory system by rhythmic contraction and dilation
- 3. transports nutrients and oxygen around the body
- 4. Chemical messengers produced by glands
- 7. The system made of muscle
- 8. System that includes glands
- 9. The system that breaks down food and absorbs the nutrients
- 12. includes the brain, spinal cord, and a complex network of nerves.