Understanding the Integumentary System

What is the largest organ of the human body?

• Heart

• Liver

• Lung

• Skin

What does the integumentary system include?

• Kidneys, Liver, and Pancreas

• Hair, Nails, skin and Glands

• Heart, Veins, and Arteries

• Muscles, Bones, and Cartilage

How often does the epidermis replace itself?

• Every 2-3 months

• Every 4-6 weeks

• Once a year

• Every 1-2 weeks

What is the main function of melanocytes?

• Producing keratin

• Producing sweat

• Producing sebum

• Producing melanin

What is the primary component of hair and nails?

• Keratin

• Collagen

• Sebum

• Melanin

What layer of skin is responsible for fat storage?

• Stratum corneum

• Hypodermis

• Dermis

• Epidermis

How much of your body weight does skin make up?

• Fifteen to Twenty percent

• Twenty to Twenty-Five percent

• Five to Ten percent

• Ten to Fifteen percent

What happens when skin cells fill with keratin?

• They move to the dermis

• They die

• They multiply

• They produce melanin

What is the role of the integumentary system?

• To cover the body externally

• To control body movement

• To circulate blood

• To digest food