Human physiology for Health and Social Care NQF Level 3: BTEC National P2: The structures of the main tissues of the body

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Unit 10: Human physiology for Health and Social Care

NQF Level 3: BTEC National

P2: The structures of the main tissues of the body

The aim of the assignment is to describe the structures of the four main tissues are the epithelial tissue, connective tissue, nervous tissue and muscle tissue of the body. By the understanding the assignment will be focus on depict how the structure of the main tissue is, also that going to show clearly where the position of the tissues are, what its look like?

Epithelial tissue

Epithelial tissues are found on surfaces as either covering outer surfaces or lining inner surfaces. That's covering or lining of all internal and external surfaces of the body. The epithelial tissue is made up of cells, its characteristic shape and the number of layer cells.

They have no capillaries of their own that's why the epithelial receive oxygen and nutrients from the blood supply of the connective tissue beneath them. Epithelial tissue, regardless of the type, is usually separated from the underlying tissue by a thin sheet of connective tissue; basement membrane. The basement membrane provides structural support for the epithelium and also binds it to neighbouring structures.

Squamous epithelium

Squamous epithelium is a single layer and flat cells. These cells are very thin and very smooth these are important physical characteristic. They form the lining of the cavities for example mouth, heart, blood vessel and lungs and made up the outer layer of the skin.

Simple cuboidal epithelium

Simple cuboidal epithelium is a single layer of cube shapes cells. These cells are roughly and square. Cuboidal epithelium is found in glands and in the lining of the kidney tubules as well as in the ducts of the glands.

Simple columnar epithelium

Columnar cells are taller than they are wide, these cells are elongate and look like column shape. That is specialized for secretion and absorption.
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Ciliated epithelium

Ciliated epithelium consists of columnar cells that have cilia on their free surfaces. It's always lining in the nasal cavities, larynx, trachea and large bronchial tubes. The other location of ciliated epithelium is lining in the uterus and fallopian tubes of female.

Glandular epithelium

Glandular epitheliums are consists of large number of goblet cells which included unicellular and multicellular glands. These groups of cells are specialized able to synthesising and secreting.

Stratified epithelium

Stratified epithelium are consists of many layer and mostly flat cells, although lower cells are rounded. The top ...

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