2. Created by Connie Campbell

3. Which do you inhale when you breathe: oxygen or carbon dioxide?

4. When you inhale you breathe in oxygen. When you breathe out you exhale carbon dioxide.

5. When you inhale, does your chest expand or contract?

6. When you inhale, your chest expands.

7. Which is a muscle in your chest: the larynx, trachea, or diaphragm?

8. The diaphragm is a muscle in your chest.

9. How long does it take blood to circulate throughout your body?

10. It takes blood about one minute to circulate throughout your body.

11. What system distributes oxygen and nutrients to our body cells?

12. The circulatory system distributes oxygen and nutrients to our body cells.

13. What vessels in the human body carry blood away from the heart?

14. Arteries carry blood away from the heart.

15. Which cells in your body destroy germs: red or white?

16. The white cells in your body destroy germs.

17. Is the aorta part of the human heart, lungs, or stomach?

18. The aorta is part of the human heart.

19. Which vessels return blood to the heart: veins or arteries?

20. Veins return blood to the heart.

21. What do surgeons remove from the body during an appendectomy?

22. Surgeons remove the appendix from the body during an appendectomy.

23. The pituitary gland helps you grow. Is it attached to your brain or your liver?

24. The pituitary gland is attached to your brain.

25. Which is the recessive gene: blue eyes, brown eyes, or curly hair?

26. Blue eyes are created by a recessive gene.

27. Which protects you from disease: your immune system or your nervous system?

28. Your immune system protects you from disease.

29. Are most bones in the body connected by tendons or ligaments?

30. Most bones in the body are connected by ligaments.

31. Are vocal cords located inside your larynx, trachea, or esophagus?

32. The vocal cords are located inside your larynx.

33. Where are your adenoids?

34. Your adenoids are in your throat.

35. What is the kidneys’ main waste product?

36. The kidneys’ main waste product is urine.

37. Is undigested food stored in the large intestine, small intestine, or both?

38. Undigested food stored in the large intestine.

39. Are cells that transmit sensory messages called nerve cells or muscle cells?

40. Cells that transmit sensory messages called nerve cells.

41. Do the optic nerves help you see, hear, smell, or taste?

42. Optic nerves help you see.

43. Visit Human Anatomy and Inner Body Online to learn more about anatomy.Human Anatomy Inner Body Online