Our immune system is constantly working to fight against pathogens. Watch this video to learn more about our immune system. If you enjoyed this video, please like and leave a comment below. Thanks for watching!
This video is for educational purposes and will not be monetized.
#breakthroughjuniorchallenge
#breakthroughjuniorchallenge2020
Music:
Drift-Drift from Wondershare Filmora 2018
Sound Effects:
All sound effects are from
Images not created by me:
