Endocrine System
Across
- 4. Sleep at night and be awake in the day.
- 5. Prevents diabetes.
- 7. Female Reproductive System.
- 8. Trains the Immune System's defenses.
- 10. Source of info is Nervous System.
Down
- 1. Organs that secrete hormones.
- 2. Deals with stress.
- 3. Male Reproductive System.
- 5. The "master gland".
- 6. Lowers calcium levels.
- 9. Raises calcium levels.