Video Segment |03:38

Video Segment |03:38

Students of the Science Alliance Academy work to test and identify the best tissue brand for preventing the spread of germs.

©2015 Discovery Education| CC| Grade(s)

Related Topics

  • air
  • breathe
  • germs
  • mucus
  • nasal cavity
  • nose
  • nostril
  • odor
  • receptors
  • scent
  • senses

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