Across
- 1. Organ that produces bile for digestion
- 4. The structure where gas exchange occurs in the lungs
- 6. Type of joint found in the shoulder and hip
- 8. This gland regulates metabolism and calcium levels
- 9. The smallest type of blood vessel
- 11. The system that includes skin, hair, and nails
- 12. Protein that makes up skin, hair, and nails
- 13. The tube that carries food from the mouth to the stomach
- 15. Fluid that transports oxygen and nutrients
- 16. The system that controls voluntary and involuntary actions
- 17. Smallest structural and functional unit of life
Down
- 1. The body's immune defense system
- 2. Gland that controls growth and other endocrine functions
- 3. Primary organ of the circulatory system that pumps blood
- 5. Muscle type that controls involuntary movements in organs
- 7. Bone that protects the brain
- 9. The part of the brain responsible for memory and thinking
- 10. The body's largest artery
- 12. Organ responsible for filtering waste from blood
- 14. System responsible for movement and structure