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The human integumentary system
3 chapters
45 assets
by teacher · 10 jul 2026
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Chapter 1
The skin as a living shield
1
The three layers of defense
2
The evolutionary magic of melanin
3
How the body regulates temperature
4
The rapid skin cell renewal cycle
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Chapter 2
The science of hair and nails
1
The structural power of keratin
2
The phases of hair growth
3
The truth about nail growth
4
The evolutionary purpose of goosebumps
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Chapter 3
The skin as a living ecosystem
1
The microscopic skin microbiome ecosystem
2
Our incredible sense of touch
3
The chemistry of sweat and oil
4
The miraculous skin wound healing process
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YOUR GOAL
Master of The human integumentary system
