Across
- 6. the organ within the digestive system responsible for digestion through the use of enzymes and acids
- 7. the vessels within the circulatory system which are the site of diffusion between blood and body cells
- 9. a gas that acts as a reactant for aerobic cellular respiration
- 10. during diffusion, molecules will move towards this concentration
- 11. a specific type of model in which one enzyme specifically fits with a substrate
- 13. an input that binds to an enzyme
- 14. the energy molecule used by cells for life processes
- 15. the symbol for this element is "O"
- 16. the structure within the circulatory system that pushes blood around the body
- 19. the organ within the digestive system responsible for water absorption
- 21. the symbol for this element is "N"
- 22. the process by which food is broken down into its simplest forms to be absorbed by the body \
- 23. a biomolecule that contains carbon, hydrogen, oxygen and nitrogen; when broken down amino acids are made.
Down
- 1. the system that acts as an internal highway system for the body to deliver essential materials and remove wastes
- 2. the system that takes in oxygen and removes carbon dioxide as gases
- 3. what comes out of a chemical reaction
- 4. a biomolecule that consists of carbon, hydrogen and oxygen; it is meant as a source of energy and breaks into simple sugars.
- 5. the organ within the digestive system responsible for digestion and absorption.
- 8. the symbol for this element is "H"
- 12. the movement of evenly distributed molecules on both sides of the cell membrane
- 16. during diffusion, molecules will move from this concentration.
- 17. the spreading of molecules from an area of high concentration to an area of low concentration without the use of ATP energy.
- 18. the symbol for this element is "C"
- 20. a chemical catalyst that increases the rate of reactions.