Ch. 6 Integumentary System

What are the three main layers of the skin?

• Melanin, dermis, hypodermis

• Epidermis, dermis, keratinocytes

• Epidermis, dermis, hypodermis

• Epidermis, melanocytes, adipocytes

Which layer of the skin contains connective tissues, blood vessels, and nerves?

• Melanin

• Dermis

• Epidermis

• Hypodermis

Match the skin layer with its primary function. Provides insulation, cushioning, and energy storage.

• Dermis

• Hypodermis

• Epidermis

Match the skin layer with its primary function. Protects against pathogens, controls water loss, and contains melanocytes, which contribute to skin color.

• Dermis

• Hypodermis

• Epidermis

What is the role of melanin in the skin?

• Producing keratinocytes

• Regulating temperature

• Protecting against UV radiation

• Providing insulation

What factors influence the production and distribution of melanin in the skin?

Select the two correct answers!

• The amount of adipocytes in the hypodermis

• The number of keratinocytes in the epidermis

• Exposure to sunlight

• Genetics

Tags

NGSS.MS-LS1-5

Factors like pollution and chemicals can affect melanin production and skin health.

• Environmental Factors

• Genetics

• Sun Exposure

Tags

NGSS.MS-LS1-5

Stimulates melanocytes to produce more melanin, resulting in a darker complexion.

• Environmental Factors

• Genetics

• Sun Exposure

Tags

NGSS.MS-LS1-5

What are nails made of?

• Hair

• Sebum

• Keratin

• Sweat

Tags

NGSS.MS-LS3-1

Produce an oily substance called sebum to moisturize the skin and hair, keeping them soft and preventing excessive dryness.

• Sebaceous Glands

• Nails

• Sweat Glands

• Hair