Protective Roles
The Big 3
Layers of the Skin
Key Proteins
Vocab and Diagrams
100

This is the main job of the skin: acting as a shield to keep the body safe.

What is protection?

100

The three main components that make up the integumentary system.

What are skin, hair, and nails?

100

The thin, outermost layer of the skin that is constantly shedding dead cells.

What is the epidermis?

100

The protein responsible for giving skin and hair its color.

What is melanin?

100

A general term for any disease-causing microorganism, which the skin works hard to keep out.

What is a pathogen?

200

Two main threats the skin protects the body from, besides  radiation and water loss.

What are pathogens and water loss?

200

This component of the integumentary system is the largest organ of the body.

What is the skin?

200

The middle layer of skin, which contains blood vessels, nerves, and glands.

What is the dermis?

200

This protein provides strength and flexibility to the dermis, often compared to tiny ropes.

What is collagen?

200

The scientific term for the oil gland that produces sebum to keep the skin and hair soft and waterproof

What is the sebaceous gland?

300

This sense, provided by receptors in the skin, allows you to feel textures, temperature, and pain.

What is touch?

300

This component of the system helps to insulate the body, guard the scalp from the sun, and filter air in the nose.

What is hair?

300

The deepest layer, located beneath the dermis, that contains a large amount of fat for insulation and energy storage.

What is the subcutaneous layer?

300

This tough, fibrous protein is the main component of hair and nails, and makes up the outer layer of the skin.

What is keratin?

300

These small structures in the dermis bring necessary nutrients and oxygen to the skin cells.

What are blood vessels or capillaries?

400

The specific function of the top layer of skin that prevents the body from drying out in a dry environment.

What is preventing water loss?

400

This component is primarily made of the tough protein keratin and protects the ends of your fingers and toes.

What are nails?

400

These structures are found throughout the skin, especially in the dermis, and are responsible for sensing heat, cold, and pressure.

What are nerve receptors or sensory receptors?

400

This outermost layer of the skin is where you can find the protein melanin being produced.

What is the epidermis?

400

The tiny muscle that attaches to a hair follicle and causes goosebumps when it contracts.

What is the arrector pili muscle?

500

The process where the skin works to control the body's internal temperature, often by sweating.

What is thermoregulation or cooling?

500

The body system, including skin, hair, and nails, that acts as a physical barrier.

What is the integumentary system?

500

The main function of the epidermis, which is to produce new skin cells and provide the body's primary waterproof barrier.

What is protection or waterproofing?

500

The specific way melanin protects the body from  radiation, which is by absorbing and scattering the light.

What is absorbing  light?

500

A visual representation that helps a student understand the location of the dermis, epidermis, and subcutaneous layer.

What is a chart or diagram?

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