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5 Amazing Facts of the Integumentary system

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Ana Aulet

on 25 August 2013

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Transcript of 5 Amazing Facts of the Integumentary system

You shed 40 POUNDS of skin in a lifetime
Fun Fact
The nails of the hand you use more grow faster. For righties, that is the right hand and for lefties – the left.
Fun Fact
Bed Bugs Exist solely to eat our dead skin!
Fun Fact
Melanin is also responsible for eye color!
Fun Fact
Sweat in itself is odorless. Body odor is produced when bacteria on the surface of the skin meets with sweat.
5 Amazing Facts of the Integumentary system
By: Luis Almanza, Ana Aulet, and Yavin Bizaretty.
The Integumentary System:
Organs: Hair, skin, nails, the sweat and oil glands.
Functions: The functions of the Integumentary are to protect delicate tissues, regulate body temperature to maintain Homeostasis, sensation or to feel and the production of vitamin d.The integumentary system provides physical and chemical protection. The skin provides a waterproof, physical barrier. The sebaceous (oil) glands create a chemical barrier by secreting low pH.•By controlling the skin the nervous system can control the sudoriferous( sweat) glands to cool the body down or can increase or decrease dermal blood flow resulting in the cooling down or the warming up of the body. In the skin there are receptors from the nervous system that allow us to touch and feel.A chemical in the skin is made into vitamin D when the suns UVB radiation is in contact with the skin.

The skin consists of three major layers the epidermis this is the top layer, the dermis in the middle and then comes the hypodermis or the subcutaneous fat layer.The epidermis is the most outer layer of the skin and the layer we can touch and see. The epidermis produces keratin and melanin. Keratin is a protein and is a major component of hair and nails, as keratin cells die they get pushed up and form a layer of protection. Melanin controls the color of skin.The middle layer is the dermis. The dermis is where the receptors, blood vessels, hair follicles, and sebaceous gland are located.
The last layer is the hypodermis also known as the subcutaneous fat layer. This layer contains a good amount of fat; this fat is what absorbs shock which provides protection to the body’s major organs.
The nails are a hard covering found on fingertips and toes. The nails are made of a hard keratin.The main functions of nails are to enhance sensation and acts as protection.Nails are made of five basic parts the nail plate, the nail bed, cuticle, lunula and matrix.The nail bed is the skin beneath the nail. The nail plate is part of the nail we can clearly see. The cuticle is the skin at the base of the nail. The lunula is the whitish half-moon located at the base of the nail and the matrix is under the cuticle.

Sebaceous and sudoriferous glands:
The sebaceous and sudoriferous glands are found in the dermis.The sudoriferous glands also known as the sweat glands excretes sweat to cool down the body when it is over heated the sweat glands also expel wastes from the body through perspiration.The sebaceous gland or the oil glands are the glands that secrete sebum to cover the skin and protect from pathogens.

Fun Fact:
Rutland, S. (n.d.). Discovery Health "What is skin made of?". Discovery Health "Discovery Fit & Health". Retrieved August 25, 2013, from http://health.howstuffworks.com/skin-care/information/anatomy/what-is-skin-made-of.htm

Vitamin D and your health - Harvard Health Publications. (n.d.). Health Information and Medical Information - Harvard Health Publications. Retrieved August 25, 2013, from http://www.health.harvard.edu/newsweek/vitamin-d-and-your-health.htm

mistake., hair, t. o., & treatment., a. a. (n.d.). What is Keratin? (with picture). wiseGEEK: clear answers for common questions. Retrieved August 25, 2013, from http://www.wisegeek.org/what-is-keratin.htm
picture of fingernail anatomy. (n.d.). medicine net. Retrieved August 24, 2013, from www.medicinenet.com/image-collection/fingernail_anatomy_picture/picture.htm

sebaceous gland - definition of sebaceous gland in the Medical dictionary - by the Free Online Medical Dictionary, Thesaurus and Encyclopedia.. (n.d.). Medical Dictionary. Retrieved August 25, 2013, from http://medical-dictionary.thefreedictionary.com/sebaceous+gland

4. What is in sweat? - 7 Facts About Sweating ... | All Women Stalk. (n.d.). Retrieved from http://allwomenstalk.com/7-facts-about-sweating/2/

50 Incredible Facts About Skin | Visual.ly. (n.d.). Retrieved from http://visual.ly/50-incredible-facts-about-skin

Fun Facts About Nails | AmazingNailArt.org. (n.d.). Retrieved from http://amazingnailart.org/fun-facts-about-nails/

Fun Facts(: - Integumentary system. (n.d.). Retrieved from http://healthfairintegumentarysystem.weebly.com/fun-facts.html

Integumentary system animations [Video file]. (n.d.). Retrieved from
Skin, Skin Information, Facts, News, Photos -- National Geographic. (n.d.). Retrieved from http://science.nationalgeographic.com/science/health-and-human-body/human-body/skin-article/

Ten Amazing Facts About Skin - Top Ten List - TheTopTens.com. (n.d.). Retrieved from http://www.thetoptens.com/amazing-facts-about-skin/
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