Integumentary System Quiz

What is the main organ of the integumentary system?

• Heart

• Liver

• Brain

• Skin

What protein found in the outer layer of the skin helps in waterproofing and protection?

• Elastin

• Collagen

• Hemoglobin

• Keratin

What does the amount of melanin in the skin determine?

• Nail strength

• Skin color

• Eye color

• Hair color

Which layer of the skin contains nerve cells, muscle fibers, and sweat glands?

• Dermis

• Epidermis

• Hypodermis

• Subcutaneous

What is the function of the subcutaneous layer?

• Sheds dead cells

• Stores fat and holds heat

• Produces melanin

• Produces keratin

What vitamin does the skin produce in response to sunlight?

• Vitamin C

• Vitamin D

• Vitamin B

• Vitamin A

What is the role of sebaceous glands?

• Produce oil

• Produce sweat

• Produce melanin

• Produce hair

How does the skin contribute to regulating body temperature?

• By producing melanin

• By sweating and causing goosebumps

• By absorbing sunlight

• By growing hair