Across
- 5. the process by which metabolic wastes are eliminated from the body
- 6. an enzyme in saliva
- 7. the tube that connects the urinary bladder to the outside of the body
- 8. a tube that connects the throat to the stomach
- 9. the maintence of relatively constant internal physical and chemical conditions
- 12. the process of passing a liquid or gas through a filter to remove wastes
- 14. the organs where chemical and mechanical digestion continues
- 16. a class of nutrients that are the main source of energy for the human body
- 17. a macromoleucle that contains carbon, hydrogen, oxygen and nitrogen
- 18. a type of tissue that provides support for the body and connects its parts
- 19. a tube that carries urine from the kidney to the bladder
Down
- 1. an inorganic nutrient the body needs in very small amount
- 2. an organic nutrient that the body needs in very small amounts
- 3. the process by which water and dissolved substances are taken back into the blood
- 4. the stomach enzyme that begin protein digestion
- 8. a type of tissue that lines the interior and exterior body surfaces
- 10. the organ that absorbs water and some vitamins from undigested material
- 11. a type of tissue that makes movements of the body possible
- 12. a nutrient needed by the body for cell membranes, vitamins, absorption, regulation, insulation, and energy
- 13. the digestive organ where most chemical digestion occurs
- 15. a type of tissue that transmits nerve impulses throughout the body
- 16. the measure of energy in food