The Integumentary System

What is the Integumentary System?

• The Integumentary System is the body's outer layer.

• The Integumentary System is the body's digestive tract.

• The Integumentary System is the body's circulatory system.

• The Integumentary System is the body's nervous system.

Which of the following are components of the Integumentary System?

• A) Skin, hair, nails, and glands

• B) Bones, muscles, and joints

• C) Heart, lungs, and blood vessels

• D) Brain, nerves, and spinal cord

The organs of the Integumentary System act as your body's first line of defense against what?

• Bacteria and viruses

• Sunlight and UV rays

• Water loss and dehydration

• Nutrients and vitamins

The Integumentary System helps protect you from injury and the sun.

• True

• False

Which function is NOT performed by the Integumentary System?

• Regulating body temperature

• Allowing you to feel skin sensations like hot and cold

• Pumping blood throughout the body

• Protecting you from injury and the sun

Skin is the largest and heaviest organ in your body.

• True

• False

Approximately how thick is skin?

• 1 millimeter

• 2 millimeters

• 5 millimeters

• 10 millimeters

The skin is thinner on sensitive areas like ________, and thicker on surfaces that take more stress, like the soles of your feet.

• eyelids

• elbows

• knees

• palms

Your skin is composed of 3 layers. Fill in the blank: The three layers of skin are the dermis, epidermis, and _________?

• hypodermis

• melanin

• follicle

• sebaceous gland

Which layer of your skin is the thickest and contains sweat and oil glands and hair follicles?

• Epidermis

• Dermis

• Hypodermis