Across
- 3. It’s a central organ of the nervous system.
- 4. It produces red and white blood cells.
- 6. I am the largest organ of the integumentary system.
- 7. Sugar molecules are broken down to release energy.
- 8. I beat fast when I’m scared.
- 9. I work with the digestive system.
Down
- 1. I break down food so I can provide energy for the body.
- 2. I provide protection and structural support for the body.
- 4. It collects urine excreted by the kidneys before disposal by the urination.
- 5. It can contract on its own without a signal from the brain.