Skin and Hair

Which of the following body parts do not have hair?

• Palms

• Soles

• Lips

• Arms

What type of tissue is hair made up of?

• Muscle tissue

• Epithelial tissue

• Connective tissue

• Nervous tissue

What physically causes goosebumps?

• melanin

• hair growth

• muscle contraction

• All of the above

What is the function of sebaceous glands?

• Produce sweat

• Produce melanin

• Produce fatty material (sebum)

• Produce hair

Which sweat glands are the most numerous?

• Apocrine sweat glands

• Merocrine sweat glands

• Eccrine sweat glands

• Sebaceous sweat glands

What is the role of melanin in the skin?

• Absorb UV light

• Produce sweat

• Produce hair

• Produce pigmentation

Where is melanin produced in the skin?

• Dermis

• Epidermis

• Hypodermis

• Subcutaneous tissue

Why does getting a tattoo hurt?

• Nerves in the dermis layer

• Blood vessels in the dermis layer

• Ink is poisonous

• Macrophage cells eating ink

How does laser hair removal work?

• Targets melanin in the hair follicles

• Targets sebaceous glands

• Targets sweat glands

• Targets nerves in the dermis

What is the role of sweat glands in the skin?

• Produce melanin

• Produce sebum

• Produce sweat and help in thermoregulation (regulate temperature)

• Produce hair