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Tissues
Epithelial • Connective • Muscular • NervousCredits
•Made up of cells that have grouped together.•All organs made up of it.•4 main kinds of tissues.
EpithelialConnectiveMuscularNervous
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Epithelial Tissues
Simple • Stratified • Transitional • Home
•Covers surfaces in the human body•Protects, absorbs, filters, excretes and secretes•Has sensory receptors.•Three types:
SimpleStratifiedTransitional
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Simple Tissues
Simple Columnar • Simple Cuboidal • Simple Squamous Pseuodostratified Columnar • Home • Back
•Made up of 1 layer.•Cells attach to a base.•Four types
Simple ColumnarSimple CuboidalSimple SquamousPseuodostratified Columnar
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Simple Columnar Tissues• Used for secretion and
absorption.• Single layer of cells• Contains goblet cells• Found in:
Digestive Tract GallbladderUterus
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Simple Squamous Tissues
• Single layer of flattened cells.• Cells shaped like discs.• Simplest tissue in the body.• Used for filtration and diffusion.• Found in:
Air Sacs of lungsBlood VesselsLymphatic Vessels
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Pseuodostratified Columnar Tissues
• Single layer of cells.• Used for absorption and secretion.• Contains goblet cells and cilia.• Found in:
StomachBronchiGallbladder
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Simple Cuboidal Tissues• Used for secretion and absorption
• Round nuclei in the center• Cube shaped cells• Single layer• Found in:
KidneysSmall GlandsOvaries
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Stratified Tissues
Stratified Columnar • Stratified Squamous • Stratified Cuboidal Back • Home
•Made up of 2 or more layers of cells.•Three types of tissues.
Stratified ColumnarStratified SquamousStratified Cuboidal
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Stratified Columnar Tissues• Cells are long and column-shaped. • Used for secretion and protection. • Made up of multiple layers.• Found in Vas Deferens.• Rarely found in body.
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Stratified Squamous Tissues• Used in places subject to frequent abrasion.• Come in multiple layers.• Found in:
MouthVaginaSkinDry membranes
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Stratified Cuboidal Tissues• Mostly found in only 2 layers.• Used for protection.• Found in:
Sweat GlandsMammary GlandsSalivary Glands
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Transitional Tissues• Surface of cell is dome
shaped• Like both stratified
squamous and cuboidal tissues.
• Found in places like the bladder and urethra.
• Used for stretching. Back • Home
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Muscular Tissues• Cells are able to contract.• Contains actin and myosin.• Cells slide past eachother,
allowing movement.• Three types:
SkeletalCardiacSmooth
Home • Skeletal • Cardiac • Smooth
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Skeletal Tissues• Controls voluntary movements.• Cells contract causing body parts to move.
Attach bones and tendons.• Long cylindrical shapes.
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Cardiac Tissues• Contracts to make the heart pump.• Moves blood throughout body. • Contracts involuntarily. • Found in the heart.
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Smooth Tissues• Also known as visceral muscle.• Found in hollow organs.• Pushes substances through the body.
Ex: urine, baby, food
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Nervous Tissues• Made of neurons which are
branching cells.• Used to transport signals from
receptors in the brain to parts of the body.
• Found in the brain, spinal cord and nerves.
Home
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Connective Tissues• Most common tissue in the body.• Used for protecting, supporting and
binding parts of the body together.• Four Types:
BloodCartilageConnective Tissue ProperBone
Blood • Cartilage • Connective Tissue Proper • Bone • Home
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Blood
• Made of red and white blood cells.• Mixed with plasma (matrix).• Found in blood vessels, veins, and arteries. • Transports nutrients and wastes throughout the
body. Back • Home
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Cartilage• Three types:
ElasticHylineFibro Cartilage
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ElasticMade of matrix and
collagen fibersCommonly found in
the earUsed for shape and
flexibility
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Hyaline• Used for reinforcement and support• Resists stress and protects body• Made of firm matrix and collagen fibers
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Fibro Cartilage• Used to absorb shock in places like the spinal
discs and knee joints • Contains a lot of fiber• Collagen is thick• Not very firm
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Connective Tissue Proper• Large amount of matrix.• Two types:
DenseLoose
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Dense• Used to connect
bones & muscles• Two Types
Dense RegularDense Irregular
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Dense Regular•Parallel collagen and elastic fibbers •Makes up tendons and ligaments•Stands a lot of force if applied in one direction•Connects bones to muscle and muscle to bone
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Dense Irregular
Very strongMade up of irregular collagen fibersFound in skin and digestive tractTake tension from any direction
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Loose AreolarMade of matrix that has the consistency of gelMade of all types of fibersHolds extra fluidsUsed to protect:
organs bacteriainflammation
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Loose AdiposeMade up of 3 different fibersTightly packed fat cellsNucleus is next to a drop of fatFound in abdomen and breastsInsulates body, protects organs, reserves fuel
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Loose RecticularMade up of fibersFound in loose ground substanceRelys on a networkSupports cells (ex: White blood cells, mast cells and macrophages)Found in the spleen
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Bone• Made of calcified, hardened collagen fibers.• Contains osteocytes inlacunae• Used for protection and support• Gives muscles leverage• Stores necessities
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Credits• Pictureshttp://www.flickr.com/photos/ninaisstalkingyou/416577998/http://www.flickr.com/photos/29248751@N00/578891926/http://www.flickr.com/photos/29248751@N00/578853463/in/photostream/http://www.flickr.com/photos/akay/244983654/http://www.flickr.com/photos/8025770@N02/476637901/
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Presentation and Voice Recordings by Nicole Cauchois
Song: Soul Meets Body
By Death Cab for Cutie
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