I 1.4

Question 1

Accessory Structures of the Skin
- Develop from embryonic epidermis

Answer 1

hair, skin glands, and nails

Question 2

Hair (Pili)
Function:

Answer 2

✓ Hair on the head guards the scalp from injury and the sun’s rays; Decreases heat loss from the scalp
✓ Eyebrows and eyelashes protect the eyes from foreign particles, just like the hair in the nostrils and in the external ear canal
✓ Hairs also function in sensing light touch (touch receptors associated with hair follicles are activated whenever a hair is moved.

Question 3

Hair (Pili)
Function:
- Hair on the head guards the ______ from injury and the sun’s rays; Decreases heat loss from the scalp

Answer 3

scalp

Question 4

Hair (Pili)
Function:
- _________ and ________ protect the eyes from foreign particles, just like the hair in the nostrils and in the external ear canal

Answer 4

Eyebrows; eyelashes

Question 5

Hair (Pili)
Function:
-