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Tissues In The Human Body

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Tissues In The Human Body
Task 1- tissues
Tissues are groups of similar cells which have a similar structure and function. All of these cells work together to complete various tasks. There are four different types of tissues in the human body that I am going to give examples of. These include the epithelial tissue, connective tissue, collagenous tissue and the nerve tissue.
The first time of tissue is the epithelium tissue which has the function of helping to protect the body. There are four main types of epithelium tissues; squamous epithelial cells, Cuboidal epithelial cells, columnar epithelial cells and ciliated columnar cells. The squamous epithelium protects the linings in the body such as blood vessels and air sacs in the lungs. The cuboidal epithelium protects
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It is made up of specialised cells called chondroblasts which make a large amount of extracellular matrix. Cartilage is split into three different types: elastic cartilage, hyaline cartilage, and fibrocartilage, which vary in the relative amounts of these three main components. Unlike other connective tissues, cartilage does not contain blood vessels.
Bone tissue- Bone tissue is a type of dense connective tissue. Bones can be found in a variety of shapes and they also have a complex internal and external structure. Bone tissue are lightweight, however they are also strong and hard also serving numerous functions. It has moderately high compressive strength, but poor tensile strength as well as a low shear stress
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This type of tissue is the rubbery protein constituent of bone, cartilage, tendon, and other connective tissue. It is transformed into gelatin by boiling. Collagen is a protein composed of amino-acids, which are in built of carbon, oxygen and hydrogen.
Examples of collagenous tissue:
Tendons- A tendon is made up of dense fibrous connective tissue composed primarily of collagenous fibers. Primary collagen fibers, which contain bunches of collagen fibrils, are the basic units of a tendon. They attach muscles to other body parts, usually bones. The primary cell types of tendons are the spindle-shaped tenocytes and tenoblasts. Fibroblasts are typical cells that are known to reproduce the collagen fibers. The main function of tendons is to allow free and flexible movement in the body.
Ligaments- Ligaments are tough fibrous bands of connective tissue that has a function to support the internal organs and hold bones together. A ligament is made up of dense fibrous bundles of collagenous fibers. They are spindle-shaped cells known as fibrocytes. Ligaments may be of two major types: yellow ligament is rich in elastic fibers, which are quite tough even though they allow elastic movement and white ligament is rich in collagenous fibers, which are robust and

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