Bill Nye Skin

What is the largest organ of the human body?

• Heart

• Liver

• Skin

• Brain

What is the primary function of the skin in the human body?

• Protection against pathogens

• Production of red blood cells

• Digestion of food

• Transmission of nerve signals

Which layer of the skin contains melanocytes, the cells responsible for skin pigmentation?

• Epidermis

• Dermis

• Hypodermis

• Subcutaneous layer

What vitamin is synthesized when the skin is exposed to sunlight?

• Vitamin A

• Vitamin B12

• Vitamin C

• Vitamin D

Which protein is most abundant in the skin and provides it with strength and elasticity?

• Keratin

• Collagen

• Elastin

• Myosin

What is the term for the outermost layer of the skin?

• Dermis

• Epidermis

• Hypodermis

• Stratum corneum

Which of the following is NOT a function of the skin?

• Regulating body temperature

• Synthesizing vitamin D

• Storing calcium

• Providing sensory information

What is the role of sebaceous glands in the skin?

• Produce sweat

• Produce oil

• Produce melanin

• Produce keratin

Which type of cell in the skin is responsible for the sensation of touch?

• Keratinocytes

• Melanocytes

• Merkel cells

• Fibroblasts