Body Systems Vocabulary

4. the largest organ of our body
5. keep the fingers and toes safe from mechanical stress
6. a cavity inside the skull that is oval in shape
7. a specific bodily fluid
9. the tube that allows urine to exit your bladder and body
11. a long, U-shaped tube connecting your larynx and lungs, it is also know as windpipes
12. any of the fine threadlike strands that grow from the skin of humans, mammals, and certain other animals.
14. a fist-sized organ that pumps blood throughout your body
15. two bean-shaped organs roughly the size of a fist

1. where two or more bones meet
2. a hollow, muscular organ that serves as a urinary reservoir
3. a structure deep in your brain,controls hunger, thirst, ans stables your body temperature
4. the most dilated portion of the digestive system and an important organ
8. the major organs of the respiratory system
10. a strong, flexible connective tissue that protects your joints and bones
13. the most complex part of human body