Across
- 2. The largest artery leaving the heart
- 4. Addition of substances to the fluid in a renal tubule
- 7. Digestive biochemical that emulsifies fats
- 10. The expulsion of waste from the body
- 12. Substance that initiates a primary immune response
- 13. A measure of the amount of potential energy stored in food.
- 16. Semifluid mass of food and gastric juice that moves from the stomach to the small intestine
- 17. system Organ system that acquires oxygen gas and releases carbon dioxide.
- 18. J-shaped compartment in the digestive tract; receives food from the esophagus
- 19. Enzyme that begins the digestion of proteins in the stomach
- 20. Semifluid mass of food and gastric juice that moves from the stomach to the small intestine.
- 22. The physical and chemical breakdown of food
- 23. Pigment that carries oxygen in red blood cells
- 27. Type of white blood cells; T cell,B cell or natural killer cell
- 28. Lymphoid organ in the upper chest where T cells learn to distinguish foreign antigens from self antigens
- 30. Boxlike structure in front of the pharynx
Down
- 1. Two large tubes that branch from the tranchea
- 3. The process of taking in and incorporating nutrients or energy
- 5. Any substance that an organism uses for metabolism, growth, maintenance, and repair of its tissues.
- 6. bladder Muscular sac where urine collects
- 8. Cell fragment that orchestrates clotting in blood
- 9. Organ system that distributes blood throughout the body
- 11. Eating disorder in which a person eats large quantities and then intentionally vomits
- 14. Nutrient required in small amount
- 15. Organ that forms the entrance to the nasal cavity inside the head; functions in breathing and olfaction.
- 21. In plants, cells covering the leaves, stems, and roots
- 24. Slitlike opening between the vocal cords
- 25. Exaggerated immune response to a harmless substance
- 26. Watery, protein -rich fluid that forms the matrix of blood
- 29. Muscular, saclike organ where embryo and fetus develop