Across
- 3. The hard, dense, calcified tissue making up most of the skeletal system
- 6. The outer layer of skin.
- 9. a system that enables organisms to reproduce and prevents the extinction of their species
- 11. a system that regulates body activities using hormones.
- 12. a chronic disease that occurs by either inadequate insulin production by the pancreas or inadequate insulin use by the organism.
Down
- 1. an organ of the endocrine and digestive systems that makes insulin and other compounds that aid in food digestion
- 2. a chemical that is secreted by an endocrine gland or a group of endocrine cells and functions to direct or manage a specific physiological process
- 4. feedback that amplifies the response effect so it happens more quickly
- 5. sweat is an example of ____ feedback
- 7. system that defends the body from external invaders.
- 8. the biggest system of the body
- 10. a molecule in the body that regulates blood sugar levels
