
Skin Healing Stages in Time-Lapse
Grade 7th Grade · Science · 40 min
What's Included
Learning Objective
I can describe the stages of skin healing shown in a time-lapse video.
Warm-Up Video
TED-Ed · 4:01
How a wound heals itself - Sarthak Sinha
Guided Notes
3 key 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.
Practice Questions
8 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Describe the four stages of skin healing after a deep cut, in order.”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts



