Heart and stuff

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Across
  1. 3. some organisms do it alone and some do it with another organisms
  2. 4. s the movement of particles from crowded areas to less crowded areas, happening in both gases and liquids
  3. 6. Helps maintain blood pressure and volume
  4. 9. one of the only organisms that can reproduce asexually
  5. 10. permiability helps maintain a cell's internal environment, and to regulate its internal conditions,
  6. 11. almost 75% of our blood is in veins.
  7. 12. delivers oxygen and nutrients to cells and takes away wastes.
  8. 13. distribute oxygen rich blood to the body
  9. 15. a substance that provides nourishment essential for growth and the maintenance of life
Down
  1. 1. a thin sheet of tissue or layer of cells acting as a boundary, lining, or partition in an organism.
  2. 2. is the spontaneous net movement or diffusion of solvent molecules
  3. 5. Many resources state that there are 79 known organs in the human body
  4. 7. usually reproduce by asexual means.
  5. 8. delicate blood vessels that exist throughout your body.
  6. 14. Humans need it to function