Across
- 2. One of the structures composing the skeleton of a vertebrate
- 4. A tissue composed of cells or fibers
- 5. Group of cells
- 8. Chemical changes produced by electricity and the production of electricity by chemical changes
- 12. Characterized by inadequate production or utilization of insulin
- 13. A pair of bean-shaped organs in the back
- 14. A hormone that is secreted by the adrenal medulla in response to stress and increases heart rate
Down
- 1. An expandable portion of the oviduct in which the fertilized ovum
- 2. The blood flowing through a circulatory system
- 3. Something happpens in an instant
- 6. Formed in endocrine glands
- 7. A gland that is very near the stomache
- 9. A potent steroid hormone secreted mainly by the testes
- 10. The tendency of a system
- 11. The female reproductive organ