science work

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Across
  1. 7. made up of two monosaccharides
  2. 9. sheath, a layer of fat that protects axons
  3. 11. a foreign substance that triggers your immune system to start producing antibodies
  4. 14. made up of monomers
  5. 19. the glands do this if there's too many or too little hormones
  6. 20. on the tips of nerve cells that receive messages from other nerves
  7. 23. comes from living nature
  8. 24. a place where two bones in the body meet
  9. 27. part of an organism
  10. 29. the most basic form of carbohydrates
  11. 31. acids, protein
  12. 32. another word for windpipe
  13. 34. the body's chemical messangers
  14. 35. a site between two nerves where electric nerve impulses move through
  15. 36. trying to keep the body at one state at all times
  16. 37. a very quick and involuntary action that responds to something
  17. 38. site, a place on an enzyme where a molecule binds to it and makes a chemical react
  18. 41. finger like things that come out of membranes to facilitate nutrients and fluids
  19. 43. this fights off germs and is produced by your immune system
  20. 44. flap that prevents food from entering windpipe
Down
  1. 1. the main ones are carbs, protein, nucleic acids and lipids
  2. 2. carries nerve messages and impulses away from the nerve cell
  3. 3. a band that connects bones at a joint
  4. 4. glands, they produce all types of hormones
  5. 5. it helps your lung and contracts and relaxes as you breath
  6. 6. a muscle that contracts a limb
  7. 8. smallest living organism and it makes up tissues
  8. 10. main unit of the kidney
  9. 12. a group of cells that function as a unit
  10. 13. removes waste and extra fluid in the body
  11. 15. atoms and small particles
  12. 16. attaches the muscles to the bones
  13. 17. types of white blood cells that surround and kills germs
  14. 18. sends and receives messages in the brain
  15. 21. made up of 3 or more monosaccharides
  16. 22. fat
  17. 25. substance that acts like a catalyst and is produced by the body
  18. 26. respiration, the process where organisms combine oxygen with food
  19. 28. marrow, spongy tissue in your bones that make red blood cells
  20. 30. a muscle that extends a limb
  21. 33. food pipe (throat)
  22. 38. mini air sacs that exchange oxygen for carbon dioxide
  23. 39. they control your body
  24. 40. hairs in your nose that filter out bacteria from air
  25. 42. what's another word for germ