The Human Body

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Across
  1. 2. System that delivers oxygen to the blood and removes CO2 from blood
  2. 7. Side of the heart that has oxygen rich blood
  3. 8. Increases surface area of the stomach and absorb nutrients
  4. 9. This happens when cell needs something to enter against the concentration gradient
  5. 11. When water concentration is the same outside and inside the cell
  6. 12. Mixing of particles from one substance, with the particles of another substance
  7. 13. Point of contact between cells and blood
Down
  1. 1. Dissolves connective materials that holds cells of meats
  2. 3. System that keeps O2 rich and O2 poor blood seperate
  3. 4. Where oxygen rich blood enters the heart
  4. 5. Force of blood against the walls of arteries
  5. 6. Air sacs where diffusion allows O2 and CO2 to be exchanged
  6. 7. Reabsorbs water into the body and collects waste
  7. 10. Carries food from the pharynx to the stomach