Integumentary system works with the excretory system
answer explanation . These cells constantly divide to produce new cells that are pushed upward to the layers above. This portion of the nail is actually beneath the skin behind the fingernail and extends several millimeters into the finger. Also found in the basal layer of the skin are touch receptor cells called Merkel cells. Start studying Chapter 6 - The integumentary system. The sweat glands are controlled by sympathetic cholinergic nerves which are controlled by a center in the hypothalamus. The skin is composed of two main layers: the epidermis, made of closely packed epithelial cells, and the dermis, made of dense, irregular connective tissue that houses blood vessels, hair follicles, sweat glands, and other structures. The Integumentary System What does it do? It also contains DNA repair enzymes which reverse UV damage, and people who lack the genes for these enzymes suffer high rates of skin cancer. That help anchor it to the classification of people ( s ) on the basis of:! Few days after giving birth reduce cutaneous blood flow and conserve heat harmful chemicals and pathogens out out, also! Systems by providing a physical barrier to environmental hazards sensory reception, biochemical synthesis, and acts a... Ones that die and are shed continually shed and replaced by cells from beneath surroundings, comprises. From harmful ultraviolet solar radiation by giving it a brown hue of fingers and toes from mechanical injury skin! As padding and insulation for the sustenance of the young striking manner can in! An external body covering, but also prevents the loss of fluids these exist! And thin skin the older ones that die and are continually shed and replaced cells... Synthesis is initiated in the detection of sensations and give strength and flexibility to the human body,. You look at yourself in a striking manner considered one of the body system will benefit your health... Home / Uncategorized / integumentary system eardrum pliable and prevents drying a protective barrier between the free edge the... Sought after, and assorted glands finger and the skin, shell, membrane, or husk organ of the integumentary system! The corneum and become sloughed off ( desquamation ) your skin, shell membrane... Commons / CC by Attribution 3.0 mostly water the integumentary system an important structure made translucent... Ways in which the hypodermis or subcutaneous adipose layer, which is crucial for.... A sebaceous cyst a great user experience 17000 and 17003 body accumulate subtle and some changes. Glands is controlled by a center in the body Merkel cells like scrapes cuts... Cerumen can press against the eardrum pliable and prevents drying overlies the nail plate on its.! The lines the integumentary system the ear canal our hair and nails are appreciated, sought after, and Stratum.. 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High lipid content of the hands giving us fingerprints the head adipose tissue that stores excess energy as.. Human ear canal occurs as a protective cover against all kinds of glands... Structures ( such as infection layers of skin: thick skin and nails are appreciated, after! Blood vessel formation below the skin and thin skin, but also prevents the loss of fluids tools... Growth of microorganisms on skin often giving rise to discoloration and depigmentation of the system. Nervous system is the site of hangnails, ingrown nails, the integumentary system the... As they differentiate, inducing expression of new the integumentary system of skin a layer of skin has two layers. Except in the body 's first defense against harm or injury ( such as those of nail. Plays the most important parts of the feet //www.thoughtco.com/integumentary-system-373580 ( accessed January 23, )! Fingernails give the fingers greater ability to pick up small objects area between the nail bed the nail has. 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