Science Midterm

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Across
  1. 3. is caused by constant random movement of molecules from area of high to low concentration (Diffusion and Osmosis Wall)
  2. 4. All living things are made of(Living Things Wall)
  3. 7. Living things need and use to survive ( Living Things Wall)
  4. 8. is diffusion of water across a semipermeable membrane(Diffusion and Osmosis Wall)
  5. 9. The _____ system provides protection for soft, internal organs(Organ Systems Wall)
  6. 11. means having multiple cells(Living Things Wall)
  7. 12. The ___system sends electrical signals to the muscles(Organ Systems Wall)
Down
  1. 1. means having only one cell(Living Things Wall)
  2. 2. Living things produce offspring as part of reproduction (Living Things Wall)
  3. 5. The ____ is the primary organ of the respiratory system (Organ Systems Wall)
  4. 6. Is a stretchy tube that travels down the back of the throat (Organ Systems Wall)
  5. 10. The ___ is a muscular pump that circulates blood throughout the body (Organ Systems Wall)