Exploring the Integumentary System

What is the primary function of the integumentary system?

• To produce hormones

• To serve as the body's first line of defense

• To transport nutrients

• To digest food

Which of the following is NOT a component of the integumentary system?

• Skin

• Hair

• Nails

• Bones

What is the largest organ of the body?

• Liver

• Heart

• Skin

• Brain

Approximately how much of the total body weight does the skin account for?

• 5%

• 10%

• 15%

• 20%

What is the outermost layer of the skin called?

• Dermis

• Hypodermis

• Epidermis

• Subcutaneous layer

What type of cells primarily make up the epidermis?

• Melanocytes

• Keratinocytes

• Fibroblasts

• Adipocytes

What protein do keratinocytes produce?

• Collagen

• Elastin

• Keratin

• Melanin

Which of the following is a function of the integumentary system?

• Regulating body temperature

• Producing red blood cells

• Storing calcium

• Filtering blood

Tags

NGSS.HS-LS1-3

How does the integumentary system help in sensory perception?

• By producing hormones

• Through nerve endings in the skin

• By storing fat

• By producing sweat

Tags

NGSS.MS-LS1-8

What is the primary role of melanin in the skin?

• To waterproof the skin

• To provide elasticity

• To protect against UV radiation

• To store energy