Body parts

3. This long column of bones supports your back and helps you stand up straight.
7. You use this to talk, eat, smile, and yawn.
9. It's right next to your thumb and often used for pointing.
13. A bump on the throat that moves when some people talk or swallow.
14. You need these two organs to breathe in oxygen and breathe out carbon dioxide.
15. These connect your arms to your torso and help you shrug.
16. The short, thick finger that helps you grip things—opposite your fingers.
17. Tiny pathways that send signals between your brain and body.
19. These tissues contract to help you move your body.
20. The joint in the middle of your arm that lets you bend it.

1. The flat part of your face above your eyebrows.
2. The outermost layer that protects your body from the outside world.
4. An organ that helps digest food and control blood sugar.
5. Where two bones meet and let your body bend and move.
6. These hard structures form your skeleton and help support your body.
8. A strong muscle in your mouth that helps you taste and talk.
10. These long tubes inside your belly help digest food and absorb nutrients.
11. A dome-shaped muscle under your lungs that helps you breathe.
12. The small mark on your abdomen where your umbilical cord was attached.
18. This strip of hair above your eyes helps keep sweat and dust out.