Organ Systems

4. are major organs in the respiratory system
8. eliminates nitrogenous waste, maintains acid-base balance, and regulates materials
10. protects and supports body organs
12. is a major organ in the digestive system
13. is major organ in the cardiovascular system
15. is fast acting control system that activates muscles and glands
17. secretes regulatory hormones for growth, reproduction, and metabolism
18. is major organ of the nervous system
19. contains reproductive organs
21. allows locomotion and produces heat

1. are major organs in the urinary system
2. are an organ in the endocrine system
3. is organ of the skeletal system
4. returns fluids to blood vessels, disposes of debris, and involved in immunity
5. is organ of the integumentary system
6. transports materials in body through blood pumped by the heart
7. are organs part of the lymphatic system
9. keeps blood supplied with oxygen and removes carbon dioxide
11. breaks down food and allows for nutrients absorption into blood while eliminating indigestible material
14. forms the external body covering
16. is organ of the muscular system
20. is an important female organ in the reproductive system