Integumentary System Part 1 Crash Course

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

• to produce calcium

• to protect

• to maintain body temperature

• to synthesize Vitamin D

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

• hypodermis

• epidermis

• dermis

Skin color is dependent on the 

• size of melanocytes

• number of melanocyces

The difference between think and thin skin is:

• 5 layers

• 1 layer

The stratum corneum is made of _______ layers

• 10-15

• 20-30

• 4-5

The oldest skin is found 

• in the outermost layers

• in the innermost layers

What can happen when the DNA in your skin changes

• you develop moles

• you develop freckles

• you can develop skin cancer

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

• epidermis

• dermis

• subcutaneous

What is another name for fingerprints?

• crime scene identifiers

• finger maps

• friction ridges

What layer do tattoos have to reach to become permanent?

• dermis

• subcutaneous

• epidermis