Skin Healing Stages in Time-Lapse
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Objective
I can describe the stages of skin healing shown in a time-lapse video.
Part 1 of 4
Warm-up video
TED-Ed · 4:01Vetted channel
We don't generate video — this one is by TED-Ed on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
The largest organ in the human body is the skin, which has a surface area of about 20 square feet in adults.
- 2
The four overlapping stages of the skin's regenerative process are hemostasis, inflammation, proliferation, and remodeling.
- 3
During hemostasis, a protein called fibrin forms cross-links on the top of the skin to prevent blood from flowing out and bacteria from getting in.
Part 3 of 4
Practice
8 questions
What is the first stage of skin healing that occurs immediately after a cut?
During hemostasis, what protein forms cross-links to stop bleeding and prevent pathogens from entering the wound?
Part 4 of 4
Exit ticket
Quick comprehension check
“Describe the four stages of skin healing after a deep cut, in order.”
Sample answer included in the free materials
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