Across
- 3. Part of the brain that regulates temperature
- 5. Brain’s relay station for sensory information
- 7. Protein that stores oxygen in muscles
- 8. Hormone secreted by adrenal medulla in stress
- 10. The “voice box” in the human body
- 11. Enzyme that digests proteins
- 12. Pigment responsible for skin color
- 14. Cartilage flap covering the trachea during swallowing
- 16. Cell organelle responsible for ATP production
- 18. Immune system’s first line of defense
- 19. Organ where blood is filtered and old RBCs are destroyed
Down
- 1. Disease caused by insulin deficiency
- 2. System that controls involuntary functions
- 4. Smallest blood vessels where gas exchange occurs
- 6. Longest bone in the human body
- 9. The outermost layer of the skin
- 13. Tube leading from pharynx to stomach
- 15. Node Primary pacemaker of the heart
- 17. Genetic material carrier in cells
- 20. Blood cell involved in clotting