Across
- 2. a tube-like camera used to look into the respiratory system
- 3. swelling of the brain
- 7. "stomach rock" that is used by birds to help grind food because they do not have a beak
- 8. organ system containing the heart tissue, vascular tissues, and blood tissue
Down
- 1. a person who studies skin and skin diseases
- 4. a device used to look into the stomach
- 5. shows the electrical signals in heartbeat ECG
- 6. stands for head foot group of organisms that contain squid, cuddle fish, and octopi