Introduction To Integument

Question 1

Major functions of integumentary system

Answer 1

Protection- shileds all internal organs
Prevents fluid loss- sweat for cooling
Sensation-
Vitamin D synthesis from ultraviolet

Question 2

3 lauers of skin

Answer 2

Epidermis- superficial dead cells, hair protudes

Dermis-

Hypodermis/ subcutaneous tissue

• adipose tissue
• contains superficial veins close to the dermis
• nerves, which penetrate to the dermis

Question 3

What is skin

Answer 3

Epidermis + dermis

Question 4

What lies in the dermis

Answer 4

Hair follicles and hair root

Erecting pili muscles that causes hair to straighten and responsible for goosebumps

Sebaceous glands, connect to hair. Blockage causes pimples/ acnr

Swear glands