Across
- 3. The chemical reaction between oxygen and glucose that releases energy into cells
- 10. The ability to make things move or change
- 11. A system of organization in which things are ranked according to specified criteria
- 12. A category of large molecules that perform important functions inside living things
- 14. The body's use of molecules for energy and growth
- 16. Gives the body its shape and allows it to move
- 19. The body system that takes in oxygen and releases carbon dioxide
- 20. The body system that takes in food and breaks it down
- 22. Uses electrical signals to control movement, thoughts, and feelings
- 23. A group of atoms joined together in a particular way
- 24. The body system that produces offspring from gametes to pass on genes
Down
- 1. The body system that transports molecules to and from all cells of the body
- 2. Molecules that are the building blocks of proteins
- 3. The cycling of carbon dioxide through the atmosphere
- 4. Protects the body from injury and sunlight
- 5. A molecule made of carbon and oxygen atoms
- 6. The chemical process where plants use sunlight, water, and carbon dioxide to create food and oxygen
- 7. A type of energy storage molecule made of many glucose molecules connected together
- 8. A molecule that organisms get from the air or water around them and use to release energy
- 9. A molecule that organisms can use to release energy, and that is made of carbon, hydrogen, and oxygen atoms
- 13. Prevents and fights illness
- 15. To alter the order of something
- 17. Filters the blood to remove excess waste and water
- 18. A set of interacting parts forming a complex whole
- 21. Uses hormones to regulate body functions
