1																							2
3																			4							5
6						7								8								9
										10		11								12
			13
					14			15																16
																	17
		18
																19
											20																21
	22																					23
24					25			26								27		28
29
					30				31																32
																		33		34
35																						36				37
														38
			39				40
										41										42
					43
																	44
					45
									46
		47
			48

Across 3. examples of these include fats, oils, glycerols 4. positively charged particle of an atom 6. element that plays a role in balancing electrical neutrality and pressure of body fluids 9. element that forms the basis for all organic molecules in our body 10. property of water that allows it to absorb a lot of heat without raising the temperature 14. element that keeps teeth from decaying 17. number of elements essential to living things 18. they release energy when broken-down and are made of C, H, O 19. element that functions as a cofactor for many enzymes 20. element that is required for normal growth and health of the body 22. element that breaks down proteins 23. neutral charged particle of an atom 26. when the materials entering the cell equals the materials going out 29. smallest part of an element that has the characteristics of that element 30. element that carries electrical charges in muscles and nerves 32. element that helps the immune system fight off invading bacteria 33. center of an atom 35. element needed to make vital amino acids 36. element that is needed in the thyroid gland to produce hormones 38. these types of reactions are constantly occurring inside our cells 39. bond formed when two ions with charges are attracted to each other 42. substance that can't be broken down into simpler chemical substances 43. element that works as an antioxidant and fights damaging particles in the body 44. combination of substances that are not chemically combined 45. a substance that releases hydrogenous when dissolved in water 46. substance made of atoms oft or more different element that are chemically combined 47. element that plays a key role in maintaining blood pressure 48. mixture that has the solute evenly distributed within the solvent

Down 1. negatively charged particle of an atom 2. element that works with vitamin B12 to regulate and stimulate the production of thyroxine 5. element used to form strong bones, teeth, and for normal pH balance 7. building blocks of nucleic acids 8. net movement of particles from an area of high concentration to area of low concentration 11. area around the nucleus where you may find an electron 12. building blocks of proteins 13. all the chemical reactions within an organism 15. element needed to metabolize and produce energy and break down lactic acid 16. group of atoms held together by covalent bonds and has no overall charge 21. the part of a solution that is doing the dissolving 24. substance that releases hydroxide ions when dissolved in water 25. element that helps to heal wounds and brittle bones 27. atoms with different number of neutrons 28. element that is a cofactor of more than 300 enzyme systems 31. the part of a solution that is being dissolved 34. bond formed with atoms sharing electrons 37. atoms are this because protons equal electrons 38. element used to metabolize fats and carbohydrates and control blood sugar levels 39. element that makes healthy oxygen carrying blood cells 40. element that provides strength for bones and helps to clot blood 41. element needed to make proteins in your muscles, skin, look, hair, nails, and DNA