Skin structure

What produces sebum?

• artery

• sweat gland

• salivary gland

• sebaceous gland

What is the oily substance that hydrates the skin, prevents it from being dry and makes it waterproof?

• sweat

• cerumen

• sebum

• humus

Fatty tissue found below the dermis is:

• papillae
• papillary layer
• tactile 
• subcutaneous tissue

The underlying or inner layer of the skin, which is also called the derma corium, cutis, or true skin, is the: 

• dermis
• papillary
• dermal
• epidermis

The outermost and thinnest layer of the skin is the:

• surface
• epidermis
• subcutaneous
• dermis

The largest organ of the human body is the:

• liver
• skin
• lungs
• heart

How many layers are there in the skin

• 1

• 3

• 5

• 7

What is the muscle that pulls hair upright?

• bicep femoris

• arrector pili

• hair follicle

• arrector spinae

What is one important function for melanin?

• cause the skin to be cooler

• increase the amount of blood vessels

• strengthen the skin or eyes

• absorb harmful radiation

The strength of the dermis would mainly be due to _____.

• the amount of blood vessels

• the distribution of elastic fibers

• the presence of collagen fibers

• the thickness of the layers