Skin Flashcards
What system does the skin belong to?
Integumentary system
Name another organ within the integumemtary system?
Hair, nails and glands
Why is skin considered an organ?
Collection of tissues and has one common function
Name the 3 layers of the skin?
Epidermis, dermis and hypodermis
What does a keratinocyte do?
Produced keratin to make it waterproof
What does melanin do?
Gives skin, hair and eyes colour
The skin contributes to thermoregulatory mechanisms, how?
1) insulation
2) sweating
3) control of blood flow
What’s the role of adipose tissue?
Stores energy and adds cushion to the body
Describe convection?
Air or water flowing by the skin and carrying away body heat
What’s the receptor, controller and effector in the feedback loop of body temperature?
R: thermo-receptor
C: hypothalamus
E: peripheral arterioles and sweat glands