Science

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Across
  1. 2. when the concentration of water outside a cell is higher than the inside of the cell
  2. 4. throat
  3. 6. branches that bring air into the inner parts of the lungs
  4. 7. section of the small intestine that receives all chemicals
  5. 8. movement that occurs in the stomach, small intestine, and esophagus
  6. 9. air sacs in the lungs
  7. 10. when your body tries to maintain a steady level of nutrients and conditions
  8. 11. smallest part of the circulatory system that attaches to the cell
Down
  1. 1. ring like muscular valves that are located in the digestive system
  2. 2. water from the inside of a cell diffuses to the outside of the cell
  3. 3. windpipe
  4. 5. structures located in the small intestine that absorbs nutrients and increase surface area
  5. 8. pumps oxygen poor blood into the ventricle
  6. 9. artery that pumps oxygen rich blood into the rest of the body
  7. 12. the levels of water are equal so no diffusion occurs