Skin

Question 1

What system does the skin belong to?

Answer 1

Integumentary system

Question 2

Name another organ within the integumemtary system?

Answer 2

Hair, nails and glands

Question 3

Why is skin considered an organ?

Answer 3

Collection of tissues and has one common function

Question 4

Name the 3 layers of the skin?

Answer 4

Epidermis, dermis and hypodermis

Question 5

What does a keratinocyte do?

Answer 5

Produced keratin to make it waterproof

Question 6

What does melanin do?

Answer 6

Gives skin, hair and eyes colour

Question 7

The skin contributes to thermoregulatory mechanisms, how?

Answer 7

1) insulation
2) sweating
3) control of blood flow

Question 8

What’s the role of adipose tissue?

Answer 8

Stores energy and adds cushion to the body

Question 9

Describe convection?

Answer 9

Air or water flowing by the skin and carrying away body heat

Question 10

What’s the receptor, controller and effector in the feedback loop of body temperature?

Answer 10

R: thermo-receptor
C: hypothalamus
E: peripheral arterioles and sweat glands