1. HOMEOSTASIS IN ORGANISMS

2. THE DISEASE THAT RESULTS WHEN THE HIV VIRUS ATTACKS THE HUMAN IMMUNE SYSTEM

3. AIDS

4. A CONDITION IN WHICH A PERSON’S IMMUNE SYSTEM IS OVERLY SENSITIVE TO ENVIRONMENTAL SUBSTANCES THAT ARE NORMALLY HARMLESS

5. ALLERGY

6. A PROTEIN, PRODUCED BY THE IMMUNE SYSTEM THAT EITHER ATTACKS INVADING PATHOGENS OR MARKS THEM FOR KILLING

7. ANTIBODIES

8. A MOLECULE FOUND ON THE OUTER SURFACES OF CELLS THAT THE IMMUNE SYSTEM RECOGNIZES AS EITHER PART OF THE BODY OR AS AN OUTSIDE INVADER

9. ANTIGEN

10. A COMPOUND THAT STORES ENERGY IN CELLS

11. ATP

12. ANY OF THE MANY SINGLE CELLED ORGANISMS WITHOUT A DISTINCT NUCLEUS

13. BACTERIA

14. A CHEMICAL PROCESS THAT OCCURS IN A LIVING THING

15. BIOCHEMICA L PROCESSES

16. A SUBSTANCE THAT CAN SPEED UP THE RATE OF A CHEMICAL REACTION WITHOUT BEING CHANGED OR USED UP DURING THE REACTION

17. CATALYST

18. THE PROCESS IN WHICH NUTRIENTS ARE BROKEN APART, RELEASING CHEMICAL ENERGY STORED IN THEM

19. CELLULAR RESPIRATION

20. THE GREEN ORGANELLE THAT CONTAINS CHLOROPHYLL; WHERE PHOTOSYNTHESIS TAKES PLACE

21. CHLOROPLAST

22. A CONDITION, OTHER THAN INJURY, THAT DISRUPTS HOMEOSTASIS

23. DISEASE

24. THE CONSTANT SMALL CORRECTIONS THAT NORMALLY OCCUR TO KEEP AN ORGANISM’S INTERNAL ENVIRONMENT WITHIN THE LIMITS NEEDED FOR SURVIVAL

25. DYNAMIC EQUILIBRIU M

26. PROTEINS THAT SPEED UP THE RATE OF CHEMICAL REACTIONS IN LIVING THINGS

27. ENZYME

28. A CYCLE IN WHICH THE OUTPUT OF A SYSTEM EITHER MODIFIES OR REINFORCES THE FIRST ACTION TAKEN BY THE SYSTEM

29. FEEDBACK MECHANISM

30. ORGANISMS MADE UP OF EITHER ONE OR MANY CELLS; THEY INCLUDE YEASTS & MOLDS. THEY EAT BY ABSORBING ORGANIC SUBSTANCES

31. FUNGI

32. THE PROCESS OF OBTAINING OXYGEN FROM THE ENVIRONMENT AND RELEASING CARBON DIOXIDE

33. GAS EXCHANGE

34. A SIMPLE SUGAR THE IS THE MAJOR SOURCE OF ENERGY FOR CELLS

35. GLUCOSE

36. SPECIALIZED CELLS THAT CONTROL THE OPENING AND CLOSING OF THE PORES ON THE SURFACE OF A LEAF

37. GUARD CELLS

38. THE ABILITY OF AN ORGANISM TO MAINTAIN A STABLE INTERNAL ENVIRONMENT EVEN WHEN THE EXTERNAL ENVIRONMENT CHANGES

39. HOMEOSTASIS

40. THE BODY’S PRIMARY DEFENSE AGAINST DISEASE CAUSING PATHOGENS

41. IMMUNE SYSTEM

42. A HORMONE THAT PROMPTS GLUCOSE TO MOVE FROM THE BLOOD INTO THE BODY CELLS, RESULTING IN A LOWER GLUCOSE LEVEL IN THE BLOOD

43. INSULIN

44. ANY MICROSCOPIC ORGANISM

45. MICROBE

46. POD-SHAPED ORGANELLES THAT CONTAIN ENZYMES USED TO EXTRACT ENERGY FROM NUTRIENTS aka THE POWERHOUSE

47. MITOCHONDRIA

48. AN ENDOCRINE ORGAN THAT SECRETES INSULIN

49. PANCREAS

50. AN ORGANISM THAT SURVIVES BY LIVING AND FEEDING ON OTHER ORGANISMS

51. PARASITE

52. AN ORGANISM THAT INVADES THE BODY, CAUSING DISEASE

53. PATHOGEN

54. A MEASURE OF WHETHER A SUBSTANCE IS ACIDIC, NEUTRAL OR BASIC

55. pH

56. THE PROCESS BY WHICH SOME ORGANISMS ARE ABLE TO CAPTURE LIGHT ENERGY AND USE IT TO MAKE FOOD FROM CARBON DIOXIDE & WATER

57. PHOTOSYNTHESIS

58. THE PROCESS BY WHICH THE CHEMICAL BOND ENERGY STORED IN NUTRIENTS IS RELEASED FOR USE IN CELLS

59. RESPIRATION

60. ANY CHANGE IN THE ENVIRONMENT THAT CAUSES AN ORGANISM TO REACT

61. STIMULI

62. A LIFE PROCESS THAT INVOLVES COMBINING SIMPLE SUBSTANCES INTO MORE COMPLEX SUBSTANCES

63. SYNTHESIS

64. A SUBSTANCE MADE OF WEAKENED, KILLED OR PARTIAL PATHOGENS AND DESIGNED TO PROTECT THE BODY FROM FUTURE INVASIONS OF THAT PATHOGEN

65. VACCINE

66. A NONLIVING PARTICLE OF PROTEIN AND GENETIC MATERIAL THAT REPRODUCES BY INVADING THE CELL OF A LIVING ORGANISM

67. VIRUS