How does the healing process work?
The human body has amazing regenerative powers, but how do they work? Find out in just 30 seconds with our simple explanation, complete with illustrations!
https://www.youtube.com/watch?v=0wfJ28LUczE
Find the answer to more baffling questions in How It Works magazine. Issue 72 is now on sale, and features 100 years of fighter planes! Order it in print, download it onto your digital device or subscribe today to ensure you never miss an issue!
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See a white blood cell attack a cancer cell
