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

Tags

NGSS.MS-LS1-2

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

true or false
freckles and moles are seen where melanin is concentrated in one spot

• true
• false

true or false
ridges of the finger along with sweat pores leave a unique identifying film of sweat called a fingerprint

• true
• false