Science

1. I help in hearing and balance. I have three parts - external, middle and inner.
3. I helps you to chew your food. I am also used in the act of swallowing and I am a primary organ for taste.
5. I am the hardest part of your body. I support the structures of the face and provides a protective cavity for the brain.
8. I make bile to help your stomach breakdown food. I also make antibodies to help you fight disease.
9. We take oxygen that your body needs from the air and also take carbon dioxide that is in your blood and send it out of your body.
10. I control your muscles and all of the organs in your body. I even hold all of your thoughts and memories.
12. I am a muscle located behind your lungs. I pump blood to all parts of your body.
13. I absorb the nutrients that your body needs from your food and I put it in your bloodstream so your body can use it.
15. I am a tube in your throat. When you swallow, food or drink travels down through me into your stomach.
17. We work in pairs to pull your bones in different directions. We also help move food and blood through your body. Without us, you'd wouldn't be able to move at all.
18. I am sometimes called your “windpipe.” When you breathe, air travels through me to your lungs.

1. We provide with vision, the ability to receive and process visual details.
2. We give your body support and structure, protect delicate organs and filled with a substance called marrow.
4. I am the first digit of your hand. Without me, it’s difficult to hold things.
6. We are a pair of filters that clean your blood. We take liquid waste from your bloodstream and we send it down to your bladder.
7. We are blood vessels that send blood back towards your heart. Most of the blood we carry doesn't have much oxygen left in it.
8. Your body can't use every part of the food you eat. The waste comes to me, and I dry it out so it can leave your body.
11. I have pores so sweat can escape your body. I also sense temperature and feel the things around you.
14. When you eat, I mix your food with chemicals made by your body, then I churn up your food into smaller parts.
16. We are blood vessels that send blood away from your heart to all different parts of your body. We have thicker, stronger walls than veins.