KC - Integumentary System

The integumentary system is the organ system that includes the skin, hair, nails, and glands, serving as a protective barrier for the body.

Endocrine.

The papillary layer.

The stratum lucidum is a layer of the epidermis found only in the thick skin of the hands and feet.

Melanin is a pigment that gives skin its color and protects against UV radiation.

The primary function of the epidermis is to provide a protective barrier against environmental hazards.

Keratinized stratified squamous epithelium.

Langerhans cells are immune cells in the skin that help protect against pathogens.

Sweat glands help regulate body temperature and excrete waste through perspiration.

Hair follicles are responsible for producing hair and providing a protective barrier for the scalp.