Sci21 Week 10 Challenge

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Across
  1. 4. when the immune system overreacts to a non-harmful threat, people are said to have had an ____ reaction
  2. 7. hormone that allows cells to uptake sugar from the blood
  3. 11. variable in an experiment that you deliberately manipulate
  4. 14. the question tested by an experiment, which follows the “If…, then…, because…” format
  5. 16. ____ implications describe the effects on families and communities
  6. 19. ____ implications describe how much money it costs
  7. 20. molecules move from an area of high concentration to low concentration to equalise the concentrations on both sides of a membrane
  8. 23. system that transports nutrients, gasses and wastes around the body
  9. 24. someone with low insulin levels will typically take ____ for their blood glucose to drop after a meal, because their cells are unable to take up sugar as efficiently
  10. 26. the second time someone encounters a pathogen, they will produce ____ antibodies
  11. 27. people are given a less active form of a pathogen so that they can safely develop antibodies to it
  12. 28. the processes that keep the internal environment of the body in balance and constant
  13. 30. immune system line of defence that is non-specific and includes phagocytes
  14. 32. system that includes hormone-producing glands
  15. 34. variable in an experiment that you measure
  16. 35. a type of white blood cell that engulfs pathogens to destroy them
  17. 36. ____ immune response occurs when you re-encounter a pathogen, providing a swifter and stronger antibody reaction
  18. 38. the controls of the nervous system
  19. 39. variables in an experiment that you keep constant
  20. 40. water moves into an area of high salt concentration to equalise the concentration of the solution on both sides of a membrane
Down
  1. 1. ____ immune response occurs the first time you encounter a pathogen
  2. 2. produce antibodies
  3. 3. a compound released to attract phagocytes, that causes inflammation and fever
  4. 5. system that defends the body from pathogens
  5. 6. y-shaped immune system component that is produced to bind and destroy a specific type of antigen
  6. 8. system that includes the lungs
  7. 9. toxins that pathogens produce
  8. 10. exchange oxygen for carbon dioxide when we breathe
  9. 12. immune system line of defence that is specific
  10. 13. a process of swallowing up pathogens to destroy them
  11. 15. when someone has become too cold, their blood vessels will ____ to try and conserve their heat
  12. 17. when someone has overheated, their blood vessels will ____ to try and cool them down
  13. 18. the pump of the circulatory system
  14. 21. immune system line of defence that includes skin and mucous
  15. 22. fuses with the phagosome during phagocytosis to provide powerful enzymes that can destroy pathogens
  16. 25. system that breaks down food to nutrients and energy
  17. 29. system that includes the bladder
  18. 31. balance water and salt levels to produce dilute urine
  19. 33. ____ implications describe how our concepts of right and wrong are challenged
  20. 37. system that includes the brain