Integumentary System

Question 1

Integumentary system consists of:

Answer 1

Skin and Appendages

Question 2

Appendages include:

Answer 2

Glands/Fur/Wool/Hair/Feathers/Scales/Claws/Beaks/Horns/Hooves and Nails

Question 3

Most important role of the integumentary system is?

Answer 3

That it protects the internal organs from environmental harm

Question 4

Functions of the integumentary system;

Answer 4

Protect from infection.
Water proofs the body.
Prevents fluid loss.
Provides a site for Vitamen D synthesis
Provides species specific coloration.

Question 5

Skin

Answer 5

Consists of Epithelial tissue.
Combining forms of skin are: cutane/o, derm/o and dermat/o.
The suffix -derma also means skin

Question 6

Epidermis is the most superficial layer. True or False

Answer 6

True

Question 7

Dermis is the middle Layer and containes

Answer 7

Blood and lymph vessels, nerve fibres and accessory organs

Question 8

Subcutaneous or Hypodermis is:

Answer 8

the deepest layer that contains connective tissue.

Question 9

Skin glands

Answer 9

Sebaceous glands:
Secrete an oily substance called sebum. Seb/o means oil.
Sweat glands:
Secrete sweat
AKA sudoriferous glands

Question 10

Hair

Answer 10

rod like fibres made of dead protein cells filled with keratin.
Combining forms are pil/i, pil/o and trich/o.
Hair follicles are sacs that hold the hair fibres.

Question 11

Nails/Claws/Hooves

Answer 11

Covers the distal phalanx of animals

Combining form is onych/o.

Question 12

Keratin

Answer 12

Is a protein that forms a tough water proof barrier on the skins surface.