Across
- 4. any change in copying the DNA message
- 8. the ability of a person who once had a disease to be protected from getting the same disease again
- 9. the smallest kind of blood vessel
- 12. makes three different enzymes
- 13. nonliving, yellow liquid part of the blood
- 16. a disease in which a person's blood won't clot
- 18. ______ system is a group of organs that take in food and change it into a form the body can use
- 19. a liquid that is formed in the mouth and that contains an enzyme. (speeds up chemical change in carbohydrates)
- 21. ______ system helps with the exchange of gases
- 22. the adding of a healthy gene into the body of a person suffering from a disorder caused by a defective or mutated gene
- 24. cell parts that aid in forming blood clots
- 26. cells in the blood that destroy harmful microbes, remove dead cells, and make proteins that help prevent disease
- 28. disease of the immune system
- 33. the DNA that is formed when DNA from one organism is put into the DNA of another organism
- 34. the largest artery in the body
- 35. A ______ turns food into a form the cells can use
- 36. a green liquid that breaks large fat droplets into small fat droplets
- 37. a long, hollow, tubelike oran (most of chemical digestion of food take place here)
- 38. the blood vessels that carry blood to and from the heart itself
- 40. cells in the blood that carry oxygen to body tissues
- 43. Food gets out of the small intestine and into the blood mainly by ______
- 45. a tubelike organ at the end of the digestive track
- 46. Pressure the force created when blood pushes against the walls of the vessels
- 51. occurs when blood pressure is extremely high
- 52. the valve between the left atrium and the left ventricle
- 53. ______ system is a system that defend the body against foreign chemicals and organisms
- 54. a baglike, muscular organ that mixes and chemically changes protein
- 55. Side The ______ of the heart pumps blood to all parts of the body
- 56. a small, baglike part located under the liver
- 59. a chemical that acts as a messenger for DNA
- 61. energy that is given off by atoms
- 62. the valves between the ventricles and their arteries
- 63. a tube hat connects the mouth to the stomach
- 64. the bringing together of two living things to produce offspring
- 65. chemicals that speed up the rate of chemical change
Down
- 1. a blood cancer
- 2. Cava the largest vein the body
- 3. the fingerlike parts on the lining of the small intestine
- 5. the valve between the right atrium and right ventricle
- 6. a thick, sticky material that protects the stomach and intestinal linings from from enzymes and stomach acid
- 7. Bases form the rungs of a DNA molecule
- 10. a small fingerlike part found where the small and large intestine meet
- 11. a fatlike chemical found in certain foods
- 14. a blood vessel that carries blood away from the heart
- 15. the small, top chambers of the heart
- 17. the death of a section of heart muscle
- 20. A ______ occurs when large food pieces are broken down into smaller pieces
- 23. the large, bottom chambers of the heart
- 25. a condition in which there are too few red blood cells in the blood
- 27. a chemical often called stomach acid
- 29. the code that translates the DNA language into the protein language
- 30. foreign substances that invade the body and cause diseases
- 31. ______ twins are two children that form from the splitting of one fertilized egg
- 32. a molecule that makes up genes and determines the traits of all living things
- 39. a protein in red blood cells that joins with oxygen and gives red cells their colour
- 41. three pairs of small glands located under the tongue and behind the jaw
- 42. ______ system is your body's pickup and delivery system
- 44. ______ twins are twins that form from two different fertilized egg
- 47. ______ are flaps in the heart that keep blood flowing in one direction
- 48. a blood vessel that carry blood back to the heart
- 49. the changing of food into a usable form
- 50. Vein The ______ carries blood from the lungs to the left side of the heart
- 55. the largest organ in the body
- 57. chemicals that help destroy bacteria or viruses
- 58. the soft centre part of the bone
- 60. Side The ______ of your heart pumps blood into your lungs