Across
- 2. The primary organ of the respiratory system where gas exchange occurs.
- 4. This system includes the heart and blood vessels, responsible for transporting nutrients and oxygen.
- 6. Breaks down food into nutrients for energy.
- 8. Works with the skeletal system to allow movement.
- 9. This system defends the body against infections.
- 10. This organ system removes waste products from the body.
Down
- 1. This system supports and protects the body and produces blood cells.
- 3. Transmits signals between different parts of the body.
- 5. Protects the body by forming a barrier and regulating temperature.
- 7. Includes glands that produce hormones to regulate body functions.