Integumentary System 1 Key Concepts Flashcards
1
Q
What type of membrane is the skin?
A
Cutaneous membrane
2
Q
What is the epidermis?
A
is a multi-layered, flexible and self repairing barrier
3
Q
Describe the epidermis
A
- prevents fluid loss
- provides protection from uv radiation
- resists damage from abrasion, chemicals and pathogens
4
Q
Describe the Dermis
A
- provides mechanical strength, flexibility and protection
- is highly vascularised
- contains many types of sensory receptors
5
Q
What does skin colour depend on?
A
epidermal pigmentation and dermal blood supply
6
Q
What protects people from UV radiation
A
the pigment melanin
7
Q
What activates Vitamin D2 production in the skin?
A
sunlight
