Chloe and the Nurb take a journey under the skin to explore its three layers: the epidermis, dermis, and subcutaneous fat. They discuss the functions of each layer, including cell production, melanin, touch sensation, and the role of sweat and oil glands. The video highlights the importance of skin protection and the body's response to temperature changes, such as goosebumps and blood vessel adjustments.

What are the three layers of the skin?

• Dermis, Subcutaneous fat, Muscle

• Epidermis, Subcutaneous fat, Muscle

• Epidermis, Dermis, Muscle

• Epidermis, Dermis, Subcutaneous fat

How long does it take for new skin cells to reach the surface?

• Four weeks

• Three weeks

• Two weeks

• One week

What substance in the epidermis determines skin color?

• Collagen

• Sebum

• Melanin

• Keratin

Tags

NGSS.MS-LS3-1

What is the primary function of nerve endings in the skin?

• To create melanin

• To produce sweat

• To produce oil

• To detect touch and temperature

What do sebaceous glands produce?

• Collagen

• Sebum

• Melanin

• Sweat

What is the role of sweat glands?

• To produce oil

• To produce collagen

• To produce sweat

• To produce melanin

What is the function of subcutaneous fat?

• To create sebum

• To produce melanin

• To cushion and protect bones and organs

• To produce sweat

What are erector pili muscles responsible for?

• Producing sweat

• Making hair stand up

• Creating melanin

• Producing sebum

Why do blood vessels in the dermis constrict when you are cold?

• To produce more melanin

• To create more sebum

• To keep warm blood away from the cold air

• To produce more sweat

What happens to blood vessels in the dermis when you are hot?

• They constrict

• They produce more melanin

• They produce more sebum

• They bring blood closer to the skin surface