Across
- 3. fluid that fills the spaces between the cells
- 5. gland located in the loop of duodenum
- 9. muscles that make the heart
- 11. emergency hormone
- 13. chemical substance secreted by endocrine gland
- 15. hormone that regulates salt and water balance
- 16. state of mental strain
- 17. receiving chambers of the heart
- 18. master gland
- 19. female hormone
Down
- 1. gland, like a cap over the kidneys
- 2. valve inbetween the left auricle and left ventricle
- 4. lower chambers of the heart
- 6. hormone that regulates metabolic activities
- 7. membrane covering the heart
- 8. biological term for RBC
- 9. hyposecretion of thyroxine in children
- 10. natural pacemaker of the heart
- 12. period between 10-19 yrs of age in one's life
- 14. lowers the blood sugar