cells and body systems

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Across
  1. 5. of microscopic organisms
  2. 6. of connective tissue found in the bones that produces red blood cells
  3. 8. nervous system division of the peripheral nervous sytem that controls automatic response in the body, such as the heart.
  4. 9. organelle the directs all the activities in a cell.
  5. 11. waste removal
  6. 12. extension of a neuron's cell body that transmits information to neighboring cells.
  7. 14. wall= outer covering of a cell that provides strength and support
  8. 16. that convert sunlight into food.
  9. 20. digestion=amount by which a machine can multiply a force
  10. 23. hair-like extensions that protrude the surface of something unicellar organsims and from some cells in multicellar organisms
  11. 24. large artery carrying blood from the left ventricle to the body.
Down
  1. 1. system= moves bone
  2. 2. removal of waste products from the blood using a machine that functions as a kidney.
  3. 3. created by the body to carry out a chemical digestion
  4. 4. the life processes that take place in the cell
  5. 7. nerve= nerve that leads from the retina to the brain.
  6. 10. the basic unit of life
  7. 13. system= group of organs that work together to perform a certain task,such as digestion or breathing.
  8. 15. fragments in the blood that help stop bleeding at cuts.
  9. 16. tissue= supports and connects different parts of the body.
  10. 17. in cells that perform a certain function.
  11. 18. together
  12. 19. chamber of the heart that receive blood from the body and lungs.
  13. 21. contents of the cell inside the cell membrane including the nucleus.
  14. 22. membrane=thin structure that encloses all the contents of plants and animal cells