Human Body

4. System that removes cellular waste from your body and controls water balance.
5. Airways in the lungs that lead from the bronchi to the alveoli.
6. Found in the kidney, little filter that blood goes through.
8. where digestion begins
12. Transports oxygen, waste, nutrients, hormones, heat, etc... around the body
15. System that breaks down food into smaller molecules. Absorbs these nutrients into the body.
17. Organ where most nutrient absorption takes place
19. large muscular sac that continues the mechanical and chemical digestion of food.
20. The basic unit of structure and function in living things
22. A collection of tissues that carry out a specialized function of the body
23. stores urine
25. a cell fragment that plays an important part in forming scabs.
26. Tiny finger-shaped structures that cover the inner surface of the small intestine where digested food is absorbed
29. Blood cells that carry oxygen from the lungs to the body cells.
30. group of organs that work together to perform a specific function
31. Allows air to pass to and from lungs (windpipe)
32. Smallest blood vessel; connects arteries and veins - is where stuff is being delivered and picked-up.

1. tiny sacs of lung tissue specialized for the movement of gases between air and blood.
2. System that brings oxygen into the body. Gets rid of carbon dioxide.
3. The passages that direct air into the lungs
7. upper chamber of the heart
9. Liquid part of blood.
10. A blood vessel that carries blood away from the heart.
11. lower chamber of the heart
13. Large, flat muscle at the bottom of the chest cavity that helps with breathing
14. Filters waste from the blood like urea, water, salt and proteins.
16. A group of similar cells that perform the same function.
18. A blood cell that fights disease.
21. An organ that exchanges oxygen and carbon dioxide with the blood
24. absorbs water
27. A blood vessel that carries blood back to the heart.
28. A muscular tube that connects the mouth to the stomach.