Body Systems Crossword Puzzle

2. There are over 600 ___________ in the human body.
4. Red blood cells carry __________.
5. This is the proper name for your jaw bone.
8. There are 206 ________ in the human body.
11. This pathway carries nerve signals to and from the brain.
13. How many chambers does the heart have?
14. What do muscles do to warm the body when your are cold?
15. Yellow bone marrow stores _______.
19. The force of your blood pushing against the walls of your arteries is measure through this.
20. These are small bones found in the feet.
22. What body system is responsible for transporting oxygen rich blood throughout the body.
24. What is the proper term for your windpipe?
25. What type of blood vessel carries blood to the heart?
29. The four general types of bones are long, short, flat, and __________.
30. What type of muscle can be found in the stomach?
31. What's the name of the flap of muscle that prevents food from going down the windpipe when we swallow?
32. The hollow muscular tube that passes food and liquid from your mouth to your stomach.
33. The digestive system gets rid of _________.
34. This gas is exhaled from the respiratory system.
35. What are the smallest blood vessels in the human body called?
37. The main artery of the body that supplies oxygenated blood to the circulatory system.
38. This body system attaches to the skeletal system and helps to create movement, help with posture, and produce heat.

1. What is the largest bone in the human body?
3. The 3 types of muscles are smooth, cardiac, and ___________.
6. This body system consists of the brain, spinal cord, and nerves.
7. This body system breaks down food and absorbs nutrients into the body.
9. This is the place where two or more bones meet.
10. What type of blood vessel carries blood away from the heart?
12. This muscle lifts and you exhale to help push air out of your lungs.
15. The skeletal system provides the ____________ for the human body.
16. Where does digestion start?
17. What is the only cardiac muscle in the human body?
18. A 22-ft long muscular tube that breaks down food using enzymes released by the pancreas and bile from the liver.
21. These are small bones found in the hands.
23. What connects muscles to bone?
26. What connects bone to bone?
27. The two bones in the lower leg are the tibia and ___________.
28. A condition in which bones become weak and brittle.
33. What type of blood cells help fight off germs in the immune system?
36. What mixes with food in the mouth to start digestion?