Unit 2 Metabolism

3. a type of energy storage molecule made of many glucose molecules connected together.
5. a group of atoms joined together in a particular way.
7. the body system that takes in oxygen and releases carbon dioxide.
9. a molecule that organisms can use to release energy, and that is made of carbon, hydrogen, and oxygen atoms.
10. acids that are the building blocks of proteins.
11. a molecule that organisms get from the air or water around them and use to release energy.
12. a set of interacting parts forming a complex whole.

1. the body’s use of molecules for energy and growth.
2. the body system that takes in food and breaks it down.
4. the body system that transports molecules to and from all cells of the body.
6. a category of large molecules that perform important functions inside living things.
8. the energy currency of life; energy produced during cellular respiration.