Across
- 3. Main windpipe leading to the lungs
- 4. The liquid component of blood
- 7. Organ that stores bile
- 8. The tube that connects the throat to the stomach
- 15. Structures that increase surface area for absorption in the small intestine
- 16. Small blood vessels where gas exchange occurs
- 18. The windpipe, connecting the larynx to the bronchi
- 20. Organ responsible for filtering blood and producing urine
- 21. Tiny air sacs in the lungs where gas exchange occurs
- 23. Organ that produces bile
- 24. Organs involved in removing carbon dioxide from the blood
- 26. Substance produced by the liver to help digest fats
- 29. Upper chamber of the heart that receives blood
- 30. Upper part of the throat behind the mouth and nasal cavity
Down
- 1. Main artery that carries blood away from the heart
- 2. Muscle contractions that move food through the digestive tract
- 5. Enzyme that breaks down carbohydrates
- 6. Protein in red blood cells that carries oxygen
- 9. Part of the digestive system where most chemical digestion occurs
- 10. Organ that produces insulin and digestive enzymes
- 11. Primary muscle used in breathing
- 12. Muscular organ that pumps blood throughout the body
- 13. Small flap that covers the trachea during swallowing
- 14. Right ______ is the chamber of the heart that pumps blood to the lungs
- 17. Organ that regulates the concentration of water and salts in the blood
- 19. Part of the digestive system that absorbs water
- 22. CAVA Main vein that carries deoxygenated blood to the heart
- 25. Tube that carries urine from the kidney to the bladder
- 27. Blood vessels that carry blood back to the heart
- 28. Filtering units within the kidneys
