NS ePrep Course – Life Science
Crossword Puzzle
Digestion and Human Nutrition
ACROSS
2. abdominal organ that produces plasma proteins and bile, filters the blood, and stores glycogen.
3. organic substance required in the diet in small amounts for normal metabolism.
12. Organ that stores and concentrates bile.
13. tubular muscular organ that functions in chemical and mechanical digestion.
14. dispersion of fat droplets in a fluid.
15. in the diet, an element that is required in small amounts for normal metabolism.
17. breakdown of food into its chemical components.
18. mix of food and gastric fluid.
19. body opening that serves solely as the exit for wastes from a complete digestive tract.
DOWN
1. body opening that serves as the exit for digestive and urinary waste; also functions in reproduction.
4. tubular organ in which most chemical digestion occurs and from which nutrients are absorbed.
5. wormlike projection from the first part of the large intestine.
6. thin projections that increase the surface area of some epithelial cells.
7. multicelled projections from the lining of the small intestine.
8. mixture of salts, pigments, and cholesterol produced in the liver, then stored and concentrated in the gallbladder; emulsifies fats when secreted into the small intestine.
9. tubular organ that connects the pharynx to the stomach.
10. unabsorbed food material and cellular waste that is expelled from the digestive tract.
11. wavelike smooth muscle contractions that propel food through the digestive tract.
12. of birds and some other animals, a digestive chamber lined with a hard material that grinds up food.
16. terminal region of the large intestine; stores digestive waste.
18. main portion of the human large intestine.