The Integumentary System, Part 1

What is the largest organ of the human body?

• Skin

• Lungs

• Liver

• Heart

How often does the epidermis completely replace itself?

• Every 10-12 weeks

• Every 2-3 weeks

• Every 4-6 weeks

• Every 7-9 weeks

Tags

NGSS.HS-LS1-4

What is the primary function of melanocytes?

• Producing melanin

• Synthesizing vitamin D

• Regulating body temperature

• Producing sweat

Which layer of skin is responsible for the body's sensation of touch?

• Subcutis

• Hypodermis

• Dermis

• Epidermis

Tags

NGSS.MS-LS1-8

What is the main reason to wear sunscreen?

• To keep the skin moisturized

• To prevent skin cancer

• To reduce sweating

• To improve skin elasticity