Integumentary System: Structure and Function - The Skin

The skin is the largest organ of the body and is often referred to as the body's 'first line of ______'.

• Defense

• Attack

• Support

• Growth

What are the three main parts of the integumentary system?

• A) Skin, Hair, Nails

• B) Skin, Bones, Muscles

• C) Hair, Nails, Teeth

• D) Skin, Blood, Nerves

Which function of the integumentary system is performed by the sweat glands?

• Protects the body

• Maintains proper body temperature

• Eliminates waste

• Produces vitamin D

Match the following layers of the skin with their correct position: 1) Epidermis 2) Dermis 3) Hypodermis.

• Dermis

• Innermost layer

• Epidermis

• Outermost layer

• Hypodermis

• Middle layer

Which layer of the skin acts as a barrier to pathogens?

• Epidermis

• Dermis

• Hypodermis

• Subcutaneous layer

Which layer of the skin is involved in skin pigmentation?

• Epidermis

• Dermis

• Hypodermis

• Stratum corneum

Which layer of the epidermis is responsible for dead cells flaking off at the skin surface?

• Stratum corneum

• Stratum lucidum

• Stratum granulosum

• Stratum spinosum

Which of the following is NOT a component of the dermis layer?

• A) Blood vessels

• B) Nerves

• C) Hair follicles

• D) Bones

Match the following components with their functions: 1) Sweat glands 2) Oil glands 3) Nerves 4) Hair follicles

• Sweat glands

• Producing sweat/perspiration

• Hair follicles

• Producing skin oil

• Oil glands

• Providing the sense of touch

• Nerves

• Growing hair

Match the following parts of the integumentary system with their functions:

• Protects fingertips

• Skin

• Provides insulation

• Nails

• Protects internal organs

• Hair