The dermis is filled with tiny blood vessels and sensory nerves that allow the skin to feel different temperatures. When the skin becomes too hot, the blood vessels will expand to release heat, when the skin is too cold,... More »

Sweat glands and fatty layers in the skin help to regulate body temperature in mammals. When the outside temperature is high, sweat glands release bodily fluids combined with salt to keep the body temperature from gettin... More »

Sweat cools people off by taking advantage of the fact that water absorbs heat when it evaporates, according to Georgia State University. Per the university, water has a very high heat of vaporization, meaning that water... More »

The skin's dermis is made of layers of cells, connective tissue and several structures that aid in maintaining its function. These structures include blood vessels, hair follicles, lymph vessels and glands. More »

The three layers skin are the fat layer, the dermis and the epidermis. The topmost layer is the epidermis, and the bottom layer is the fat layer, also called the subcutis. More »

The dermis of the skin is composed of loose areolar connective tissue and dense irregular connective tissue. The dermis is structurally composed of two parts: the papillary and the reticular region. More »

The top layer of skin is called the epidermis, the second layer is the dermis, and the third layer is the hypodermis. The skin is the body's largest organ, and it offers the first line of protection against bacteria and ... More » Science Human Anatomy