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Across 1. organ that stores bile from the liver and releases it into the small intestine 7. muscle-encased tube of the alimentary canal that transports food from the pharynx to the stomach 8. portion of the alimentary canal from which water is reabsorbed into the body 10. digestive tube that extends from the mouth to the anus 12. the act of eating food or drinking; the first stage of food processing 15. undigested food material and other waste products that exit the body through the anus 17. condition caused by a diet deficient in Calories 18. chewed clump of food that leaves the mouth and travels through the alimentary canal 22. condition caused by a diet lacking one or more essential nutrients 23. the junction in the throat of the alimentary canal and the trachea 24. fingerlike projection of the inner surface of the small intestine that functions in absorbing nutrients

Down 2. raw material that must be ingested because cells cannot make it from other molecules 3. eating disorder brought about by an extreme pursuit of thinness characterized by self-starvation and excessive weight loss 4. uptake of small nutrient molecules; the third stage of food processing 5. condition of being significantly overweight 6. liquid mixture of food and stomach fluids released from the stomach into the small intestine 9. long, narrow tube where digestion is completed and most absorption occurs 11. passage of undigested material from the digestive tract; the fourth stage of food processing 13. liquid secreted into the mouth that contains mucus and digestive enzymes that start chemical digestion 14. series of smooth muscle contractions that push food through the alimentary canal 16. the process of obtaining raw materials from food 19. largest organ in the body; performs many functions such as producing bile, storing glucose as glycogen, and transforming ammonia to urea 20. elastic, muscular sac where some chemical and some mechanical digestion take place 21. gland that makes digestive enzymes and secretes them into the small intestine; makes the hormones insulin and glucagon and secretes them into the blood