Unit 2 Test Review

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Across
  1. 3. Type of digestion when food is broken down by enzymes
  2. 8. Happens when 2 or more substances combine in ways that make new substances form that have different properties from the beginning materials
  3. 9. the total of all chemical reactions an organism needs in order to survive
  4. 10. Diffusion of water through a membrane
  5. 14. System that breaks down food into molecules that can be used by cells
  6. 15. Type of digestion which breaks down food physically
Down
  1. 1. tiniest blood vessel that helps exchange oxygen and waste
  2. 2. Organ in which absorption of food's nutrients takes place
  3. 4. An individual animal, plant, or single-celled life form
  4. 5. Taken into the respiratory system and sent out into the circulatory system
  5. 6. basic building blocks of all organisms
  6. 7. Keeps the inside of the body the same, even when the outside changes
  7. 11. A collection of objects (subsystems) that all interact
  8. 12. Organ in which muscles push and churn food
  9. 13. making identical cells