What happens when we get cut and bleed? How does skin scab over and heal? And why does skin scar? These two TED-Ed videos from MD-PhD candidate Sarthak Sinha go deep under our skin to give us a better understanding of how our bodies work to protect us.
Related exploration: Tissue Regeneration in Animals at HHMI Biointeractive.
Watch more videos about bodies of all kinds, human health, and our skin, including: [noindex]
• Skin healing: A 33-day time-lapse in 10 seconds
• Why are your fingerprints unique?
• Lupita Nyong’o Loves Her Skin
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