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Integument System aka SKIN (Homeostasis (Epidermis (UV protection: Via…
Integument System aka SKIN
Homeostasis
Epidermis
UV protection: Via Melanocytes make melanin, the pigment to protect the DNA of other skin cells
i.e. sunglasses
LIGHT touch receptors: Via Merkel cells that can detect a breeze and activate “goose bumps”
Dermis
Thermoregulation
DECREASE TEMPERATURE: Via sweat glands
-AND/OR-
Via BLOOD VESSELS expanding means more blood flow and more energy in the form of heat being brought to the surface to be released
INCREASE TEMPERATURE: Via Sweat glands will stop producing sweat in order to minimize heat loss (evaporation).
AND/OR
Via Blood vessels contracting and thus decreasing the flow of heat-carrying blood through the skin to minimize heat loss.
Sensory information
Hypodermis
Fat storage that also connects skin to underlying tissue and organs, helps to prevent loss of body heat, cushions and protects underlying organs from injury, and serves as a stored energy source that can be used by body cells when needed.
Protective Barrier/Shield
Epidermis
Water proofing
It has closely packed cells that do not easily absorb or lose water.
The tightly packed cells in the stratum layers of the epidermis provide a protective barrier that prevents foreign and infectious substances from entering the body. A cut or scrape provides an opening in this barrier, making it susceptible to invading microbes.
Thickness
The thickest point on the palms of your hands and soles of your feet. Its specialized cells act as a physical and biological barrier to the environment
Hypodermis
n/a
Dermis
n/a
Anatomy of the Skin, WebMD (Click here)
Burns click here