Integumentary System

A major function of skin is protection from:

• Abrasion
• UV light 
• Entry of microorganisms
• All of the above 

What are functions of skin?

• Protect Bones
• Protect Muscles
• Protect Organs
• All of the above

The waterproofing protein that fills the cells in the upper layers of the epidermis.

• Keratin
• Melatonin
• Melanin
• Actin

Which is NOT a function of the skin?

• Insulation
• Movement
• Excretion
• Vitamin D Production

Melanocytes are located in the ___________.  

• Subcutaneous 
• Hypodermis
• Dermis
• Epidermis

The type of cell that produces melanin, which protects us against harmful UV rays.  

• Keratinocytes
• Melanocytes
• Eccrinocytes
• Melatonin

This gland releases an oil known as sebum.

• Sebacious gland
• Apocrine Gland
• Eccrine Gland
• All of the above

What is the top layer of the skin called?

• Dermis
• Hypodermis
• Epidermis
• Subcutaneous

The top layer of the epidermis is made of:

• flat, dead cells
• melanin
• collagen
• healthy, living cells

Melanin:

• Helps protect skin from UV radiation
• Is found in almost every human being
• Is responsible for skin color
• All of the above

Tags

NGSS.MS-LS1-5