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