Matabolism!

2. building blocks of protein
3. the body’s use of molecules for energy and growth
4. The smallest that can live on its own
8. the system in our body that takes in oxygen and takes out carbon dioxide
9. A type of energy that takes in oxygen and releases carbon dioxide
11. a group of atoms joined together in a very specific way.
12. The system in your body that breaks down food
13. chemical reaction between oxygen and glucose
16. a collection of tissues that structurally form a functional unit specialized to perform a particular function.

1. a claim supported by facts
4. carbon and oxygen atoms put together
5. a molecule used to release energy
6. the body system that transports molecules to and from all cells of the body
7. A set of parts that make a complex whole
10. A type of cell that receives and sends messages from the body to the brain and back to the body.
14. What we breath
15. large molecules that cause important functions inside of living things