Across
- 2. breaks down food into nutrients and waste
- 4. natural covering
- 5. also known as ductless glands
- 8. responsible for purifying the body by eliminating waste matter
- 9. breathing out
- 11. plays a major role in sexual development, sleep, and metabolism
- 14. performs the function of producing offspring and passing on the genetic code from one generation to another
- 16. enables respiration, consists of the lungs and air passages
- 19. controls the steady circulation of the blood throughout the body
- 23. excrete water and waste products
- 24. digests food
- 25. regulate blood calcium and phosphorus levels
- 26. spongy tissues composed of microscopic cells in which inhaled air is exchanged for carbon dioxide in one breathing cycle
- 27. controls metabolic processes of the body, including fight or flight response
- 28. secretions such as insulin, adrenaline, and estrogen that stimulate functional activity or other secretions in the body
- 29. muscular wall that separates the thorax from the abdominal region and helps control breathing
Down
- 1. the external protective covering of the body
- 3. serves as a protective covering and helps regulate the body's temperature
- 6. removes waste created by digestion
- 7. secretory organs that remove and release certain elements from the blood to convert them into new compounds
- 10. m protects the body from disease by developing immunities and destroying disease-causing microorganisms
- 12. blood plasma found in the spaces between the cells
- 13. secretes enzyme-producing cells that are responsible for digesting carbohydrates, proteins, and fats
- 15. controls metabolism
- 17. digests food
- 18. holds skeletal system in place; contracts and moves various parts of the body
- 20. breathing in
- 21. most complex organ of the endocrine system
- 22. controls body's vision