Across
- 2. relating to the process of breaking down food for energy
- 6. a polysaccharide that is the chief constituent of all plant tissues and fibers
- 9. the outer layer of skin covering the body surface
- 14. the emission of water vapor from the leaves of plants
- 15. the invasion of the body by pathogenic microorganisms
- 17. process converting nutrients into energy in a cell
- 19. able to synthesize its own food
- 21. metabolic equilibrium maintained by biological mechanisms
- 23. any of green pigments found in photosynthetic organisms
- 24. a band of fibrous tissue connecting bones or cartilages
- 25. underground plant organ that lacks buds or leaves or nodes
- 27. a pore in a plant through which gases and vapor can pass
- 29. the thigh bone of the human skeleton
- 31. formation of compounds in plants aided by radiant energy
- 32. plant tissue that conducts synthesized food substances
- 33. a cell fragment essential for blood clotting in vertebrates
- 34. a minute blood vessel connecting arterioles with venules
- 35. the watery fluid in which blood cells are suspended
- 38. a structure in an animal specialized for some function
- 41. any substance that can be metabolized to give energy
- 42. a small organ that synthesizes and secretes chemicals
- 43. an organism’s orienting response to light
- 45. a blood vessel that carries blood toward the heart
- 48. small, hard part of a plant from which a new plant can grow
- 49. anterior part of the brain consisting of two hemispheres
- 54. a cell that is specialized to conduct nerve impulses
- 55. fine spores produced by flowers to fertilize other flowers
- 56. one of the bony segments of the spinal column
- 57. the organic processes that are necessary for life
- 58. the bodily process of discharging waste matter
- 62. the movement of blood through the heart and blood vessels
- 64. the junction between two neurons
- 65. tough elastic tissue, mostly converted to bone in adults
- 67. taking a substance, usually by injection, against a disease
- 68. a major division of the vertebrate brain
- 69. the secretion of an endocrine gland transmitted by the blood
- 70. a living organism without the power to move
- 71. plant tissue that conducts water and dissolved nutrients
Down
- 1. the structure providing a frame for the body of an animal
- 3. the process whereby seeds or spores sprout and begin to grow
- 4. the point of connection between two bones
- 5. the bodily process of inhalation and exhalation
- 7. the pollen-producing reproductive organ of a flower
- 8. the organic process of nourishing or being nourished
- 10. relating to or conferring resistance to disease
- 11. the part of the skull that encloses the brain
- 12. part of an organism consisting of an aggregate of cells
- 13. a band of tissue connecting a muscle to its bony attachment
- 16. the process by which the body breaks down food
- 18. not subject to the control of the will
- 19. a plant that completes its entire life cycle in a year
- 20. the process of generating offspring
- 22. organelle in which photosynthesis takes place
- 26. relating to clear fluid containing white blood cells
- 28. the passage between the pharynx and the stomach
- 30. perform vaccinations or inoculate against a disease
- 34. of or relating to the heart
- 35. any disease-producing agent
- 36. fertilize by transferring spores from one plant to another
- 37. the organ that is center of the nervous system
- 39. a blood vessel that carries blood from the heart to the body
- 40. a bundle of fibers running to organs and tissues of the body
- 44. one of the contractile organs of the body
- 46. of or relating to a system of sensory apparatus
- 47. a red protein in blood that transports oxygen
- 50. a tear-shaped plant structure from which a new plant grows
- 51. of or belonging to glands that secrete hormones
- 52. a plant lasting for three seasons or more
- 53. the large artery carrying blood from the heart to the body
- 59. pertaining to the act of breathing
- 60. a chamber of the heart that receives blood from an atrium
- 61. sprout; produce buds or branches
- 63. the collective amount of leaves of one or more plants
- 66. the breastbone
- 67. of your own free will or design