Colorado Cosmetology Written Practice Exam

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Which body system includes skin, hair, and nails and provides protection?

Integumentary system
Lymphatic system
Nervous system
Skeletal system

The correct answer is: Integumentary system

The integumentary system is made up of the skin, hair, and nails and is responsible for providing protection to the body. The skin is the first line of defense against external factors such as germs, chemicals, and physical damage. Hair and nails also provide protection to sensitive areas of the body. The lymphatic system, on the other hand, is responsible for fighting off infections and diseases. The nervous system is responsible for sending and receiving signals throughout the body, while the skeletal system provides support and structure to the body. These systems do not primarily provide protection like the integumentary system does.