Global warming

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Across
  1. 5. nutrients diffuse or are moved into the blood
  2. 9. the main muscle of the respiratory system.
  3. 10. the taking in of nutrients (food)
  4. 12. Stores substances until needed and Site for chemical reactions
Down
  1. 1. the removal of solid waste from the digestive system out of the body
  2. 2. is the diffusion of water through a membrane
  3. 3. each cell is made up of smaller components
  4. 4. The smallest blood vessels & surround the alveoli.
  5. 6. Builds proteins essential for cell growth and reproduction
  6. 7. smaller and smaller tubes carrying air deep into the lungs.
  7. 8. Helps in cell division an ONLY found IN ANIMAL
  8. 11. controls all cell activities