Skin and Senses

The outermost and thinnest layer of the skin is the:

• surface
• epidermis
• subcutaneous
• dermis

The stratum germinativum is composed of several layers with special cells that produce a dark skin pigment called: 

• granules
• melanin
• elongated
• keratin

Fatty tissue found below the dermis is:

• papillae
• papillary layer
• tactile 
• subcutaneous tissue

What is the oily substance that protects the skin against water called?

• seaweed

• callus

• sebum

• skin

True or False: The brain is the largest organ in the body.

• True

• False

What is the integumentary system made up of?

• skin, nails, and hair
• ribs, lungs, and heart
• veins and arteries
• muscles

what causes skin cancer?

• nothing
• UV rays 
• Radiation
• Smoking

Why do you turn red when you are hot?

• The blood vessels in your skin constrict, reducing blood flow to cool the body
• The blood vessels constrict to increase blood flow to cool the body
• The blood vessels dilate to increase blood flow to the skin
• The blood vessels dilate to decrease blood flow to the skin

Tiny openings at the skin’s surface are called

• epidermis
• pores
• dermis
• oil gland

What are the basic functions of the Integumentary system?

• protection, regulation of body temperature, communication, excretion of wastes, and vitamin D production
• serves no purpose
• to make you look good
• To absorb sunlight through your pours