Across
- 1. The part of the body that secretes hormones
- 5. The type of diabetes linked to obesity
- 6. type of cells making the peripheral nervous system
- 7. The sensory organ detecting chemicals in the air
- 8. The gland that secretes insulin
Down
- 2. part of nervous system controlling heart rate
- 3. a change in the environment
- 4. A chemical messenger