Intro to Integumentary System

What is a purpose of the integumentary system? (check all that apply)

• to defend

• to protect

• to be vascular

While all skin layers play a role, which layer does most of the work of the integumentary system?

• hypodermis

• dermis

• epidermis

Where would you find keratinocytes and keratin? (check all that apply)

• skin

• hair

• lungs

• liver

• nails

Skin color is dependent on the 

• size of melanocytes

• number of melanocyces

The difference between think and thin skin is:

• 1 layer

• 5 layers

The stratum corneum is make of _______ layers

• 4-5

• 10-15

• 20-30

The oldest skin is found 

• in the outermost layers

• in the innermost layers

The stratum basale is the site of

• melanin production

• new cell production

• oil production

What can happen when the DNA in your skin changes

• you develop skin cancer

• you develop moles

which layer contains the hair follicles, oil glands, sweat glands, blood vessels, and nerves

• epidermis

• subcutaneous

• dermis