Cells and Systems

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Across
  1. 2. The organ largely responsible for digestion
  2. 9. The smallest type of blood vessel; connects arteries and veins
  3. 10. (microscope) Holds the eyepiece and the objective lenses at the proper working distance from each other
  4. 12. The powerhouse of the cell
  5. 15. Surrounds the cell and protects the cell’s contents
  6. 17. Plant tissue that transports sugars
  7. 18. The convex lens in a refracting telescope or microscope
  8. 19. A blood vessel that carries blood back to the heart
  9. 21. adjustment knob that moves the tube or stage up or down to bring the object into focus. Use only with low power.
  10. 23. The diffusion of water through a selectively permeable membrane
  11. 24. A membrane that lets no materials through it
  12. 26. The loss of water from a plant through evaporation
  13. 27. Having many cells
  14. 32. Plant tissue that conducts and transports water
  15. 34. Contains the green pigment, chlorophyll
  16. 37. Groups of similar cells
  17. 38. A membrane that lets all materials through it
  18. 39. (microscope) A device that controls the amount of light that enters
  19. 40. Function: Wounds to prevent blood loss
  20. 44. Transmits impulses of sensation between the brain and the body
  21. 45. Having a single cell
  22. 46. The part of the digestive system that connects the throat to the stomach
Down
  1. 1. A device used to measure blood pressure
  2. 3. tissue (skin) protects the outside of the body and also covers internal structures, such as the intestines
  3. 4. Function: carries nutrients, waste products, hormones, and blood cells
  4. 5. The apparent amount of enlargement produced by a microscope or similar magnifying instrument
  5. 6. In a telescope or microscope, the lens that works as a magnifying glass to enlarge the image
  6. 7. Structures inside the cell
  7. 8. (microscope) Supports the microscope slide
  8. 11. a system that regulates blood composition and excretes waste fluids
  9. 13. Directs light to the object being viewed
  10. 14. A large gland behind the stomach which secretes enzymes into the duodenum
  11. 16. An instrument that makes objects appear larger by bending light through a lens
  12. 20. Jellylike material in which other parts of the cell float
  13. 22. Use with medium and high power magnification to bring the object into sharper focus
  14. 25. Liquid-filled part for storage
  15. 28. a system that Circulates blood. Transports food particles, dissolved gases, and other materials
  16. 29. Groups of organs working together (e.g., Circulatory, nervous, digestive)
  17. 30. The fluid that transports substances to and from all parts of the body; consists of plasma, red blood cells, and white blood cells
  18. 31. a system that exchanges oxygen and carbon dioxide
  19. 33. A blood vessel that carries oxygen-rich blood from the heart
  20. 35. The organ responsible for pumping blood around the body
  21. 36. The base unit of all life.
  22. 41. In the lungs, tiny air sacs at the end of a bronchiole
  23. 42. The movement of particles in liquids and gases from an area of higher concentration to an area of lower concentration
  24. 43. Distinct structures in a body that perform particular functions