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5 Amazing Facts of the Integumentary system
Transcript of 5 Amazing Facts of the Integumentary system
The nails of the hand you use more grow faster. For righties, that is the right hand and for lefties – the left.
Bed Bugs Exist solely to eat our dead skin!
Melanin is also responsible for eye color!
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.
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