Across
- 3. the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body.
- 4. a molecule that organisms get from the air or water around them and use to release energy
- 6. a type of energy storage molecule made of many glucose molecules connected together
- 7. a set of interacting parts forming a complex whole
- 10. a collection of tissues that structurally form a functional unit specialized to perform a particular function.
- 14. A type of cell that receives and sends messages from the body to the brain and back to the body.
- 15. the chemical reaction between oxygen and glucose that releases energy into cells
- 16. a molecule that organisms can use to release energy, and that is made of carbon, hydrogen, and oxygen atoms
- 17. the body system that transports molecules to and from all cells of the body
Down
- 1. a claim supported by evidence
- 2. the body system that takes in food and breaks it down
- 5. the body system that takes in oxygen and releases carbon dioxide
- 8. a group of atoms joined together in a particular way
- 9. the body’s use of molecules for energy and growth
- 11. molecules that are the building blocks of proteins
- 12. a molecule that organisms get from the air or water around them and use to release energy
- 13. a molecule made of carbon and oxygen atoms