Human Body Systems

2. An organ that filters the blood and makes urine
6. This system provides protection, structure, and helps with movement
7. The system that communicates and send signals to the rest of the body
8. An Organ that contracts to circulate the blood
11. This part of the digestive system absorbs the most nutrients
12. The system that provides movement to the body
14. The location where red blood cells are made
16. A tube that carries food from the mouth to the stomach
18. The type of digestion that involves saliva, bile, and enzymes
19. The system that brings in oxygen into the body and rids of carbon dioxide
20. An Organ that stores urine

1. A tube that brings in oxygen into the lungs
3. The main muscle that assists with breathing
4. Where gas exchange occurs in the lungs
5. The connections that send signals between the spinal cord and the rest of the body
9. The system that the skin makes up
10. This attaches bone and muscle together
11. The type of muscle found in the digestive system
13. This part of the circulatory system brings oxygenated blood to the cells of the body
15. This part of the skeleton protects vital organs such as the heart and lungs
17. This is the longest bone in the body
18. The flexible tissue between bones