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Across
  1. 1. consisting of specific organs and structures used for gas exchange in animals and plants
  2. 3. ear part of the ear that is visible along the side of the head
  3. 5. responsible for the integration of complex sensory and neural functions and t coordination of voluntary activity
  4. 8. chord tubular structure made up of nervous tissue
  5. 10. relating to or affecting the muscles.
  6. 12. system is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism
  7. 15. a layer at the back of the eyeball
  8. 17. relating to the circulation of blood or sap.
  9. 18. lobe processes sensory information it receives from the outside world, mainly relating to touch, taste, and temperature
  10. 20. lobe processes sensory information it receives from the outside world, mainly relating to touch, taste, and temperature
  11. 21. stem connects the cerebrum with the spinal cord
  12. 23. lobe responsible for creating and preserving both conscious and long-term memory
  13. 24. relating to or functioning as a skeleton.
Down
  1. 2. relating to or denoting glands which secrete hormones or other products directly into the blood.
  2. 4. drum thin flap of skin that is stretched tight like a drum and vibrates when sound hits it
  3. 5. produces nerve impulses in response to sound vibrations.
  4. 6. fundamental units of the brain and nervous system,
  5. 7. are the black center of the eye
  6. 9. system a vessel, similar to a vein, that conveys lymph in the body.
  7. 11. responsible for coordinating voluntary movements
  8. 13. relating to or effecting reproduction.
  9. 14. lobe part of the brain's cerebral cortex
  10. 16. breakdown food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma
  11. 19. transparent part of the eye that covers the front portion of the eye
  12. 22. canal a passage comprised of bone and skin leading to the eardrum