Lesson 1: Integumentary System
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Integumentary system
It performs these
functions:
▫ Protects body
▫ Maintains body
temperature
▫ Eliminates waste
▫ Helps respond to touch
sensations
▫ Absorbs substances
▫ Helps produce vitamin
D
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Epidermis

Dermis

Hypodermis

Skin color is inherited
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Melanin

Carotene
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Sudoriferous glands
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Sebaceous glands
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Hair helps protect the
body
▫ Root
▫ Shaft
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Nails protect the fingers
and toes from injury