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Across 1. This looks like a thin line that surrounds the whole cell. 3. All living things are called. 5. Is found in most bones and makes red blood cells. 7. A liquid inside the cell which has grainy-looking bits in it. 9. Cells which carry oxygen to all the cells of your body. 11. This tissue makes up your brain, spinal cord, and nerves. 12. The smallest known functioning unit of life. 15. This system connects all other organ system. 16. A group of organs working together to perform a specific task. 19. A Snowshoe hare's fur changing colour from summer to winter is an example of an ____________. 20. The sum of all the different processes that happen in an organism. 21. This system breaks down food pieces so they can be absorbed and transported through the body. 25. A membrane which allows some particles to pass through and not others. 26. Are called a plant cell's "solar panels". 27. Substances that provide the energy and materials that organisms need to grow, develop, and reproduce. 29. Organisms that are made up of only a single cell. 32. This tissue covers the surface of your body and the outside of your organs. 35. All living things are made up of _______________. 36. Also called a cell's "command centre". 37. Similar cells combine to form ___________. 38. Anything that causes a response in an organism. 40. Where a cell's chemical reactions occur that convert the energy the cell recieves into a form it can use. 41. Common unicellular organisms that live in water. 42. This system coordinates and controls the actions of all organs and organ systems. 44. Used by amoeba to move around and capture food. 45. This system contains the kidneys, bladder, lungs, skin, and liver. 47. A group of tissues that work together to perform a specific function. 48. Each structure has a specific _______________.

Down 2. Another word to describe microscopic organisms. 4. The smallest kind of organism scientists have discovered so far belongs to a group of organisms called ______________. 6. The diffusion of water. 8. Unicellular organisms which are covered with cilia. 10. Most multicellular organisms are made up of this type of cell. 12. This tissue supports and connects different parts of the body. 13. Organisms that are made up of two or more cells. 14. Within each cell all of the specialized structures that carry out specific funtions can be called. 17. This is the idea that living things could come from non-living things. 18. This plant tissue uses the sunlight to produce sugar that the plant uses for energy. 22. The many body parts that help us do things are called _______________. 23. This system provides a support frame for the body. 24. All living things _______________. 28. Are the "storage rooms" of a cell where nutrients, water and other substances are stored by the cell. 30. The movement of particles from an area of high concentration to an area of low concentration. 31. This system transports carbon dioxide from the blood to the outside air. 33. Jumping out of the way of a moving car is an example of a ____________. 34. Cells with similar structure and function organize into ____________. 37. This plant tissue is made up of phloem and xylem. 39. This tissue allows you to move. 43. All living things need ____________. 46. All living things _____________.