Across
- 1. Cavity: Heats and humidifies air
- 5. Cone shape passage leading to trachea
- 7. Filters blood that contains wastes collected from cells
- 9. Muscle contraction (In the esophagus)
- 10. Where urine comes out
- 11. Arteries: Where blood enters kidneys
- 14. Branches of bronchi that end in alveoli
- 15. The thin, watery liquid in the stomach
Down
- 2. Tiny sacs in the lungs that exchange O2 and CO2
- 3. Covers the entrance to trachea
- 4. Makes digestive enzymes and starch that controls blood sugar
- 6. Region in brain that monitors water in blood
- 8. Where urine flows to the urinary bladder
- 12. Food that changes into soft mass in the mouth
- 13. Absorbs nutrients in the small intestines