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P2 outline the structure of the main tissues of the body.

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´╗┐Chantel Hurst Unit 5 P2 outline the structure of the main tissues of the body. Simple Cuboidal Simple cuboidal epithelium is a tissue in secretion organs. These include locations in the salivary glands, thyroid gland, as well as in the kidneys. This tissue is a single underlying layer of cuboidal cells beneath the epithelium of the organs. Simple columnar Columnar epithelial cells occur in one or more layers. The cells are cube shaped. The nuclei are cube shaped and are usually located near the base of the cells. Columnar epithelium forms the lining of the stomach and intestines. Some columnar cells are senses for things like smell, taste and noise such as in the nose, ears and the taste buds of the tongue. Simple squamous The functions of squamous epithelial cells are many. Some of the main ones include protecting the line passageways, covering the surface of various organs among others. ...read more.


Blood is circulated around the body through blood vessels by the pumping action of the heart. Arterial blood carries oxygen from inhaled air to the tissues of the body, and venous blood carries carbon dioxide, a waste product of metabolism produced by cells, from the tissues to the lungs to be exhaled. Connective: cartilage Cartilage is a type of connective tissue in the body. It is made of cells called chondrocytes embedded in a matrix, strengthened with fibers of collagen and sometimes elastin, depending on the type. There are three different types: hyaline cartilage, elastic cartilage, and fibrocartilage. This tissue serves to provide structure and support to the body's other tissues without being as hard or rigid as bone. It can also provide a cushioning effect in joints. Bones Support: provides framework that supports and anchors all soft organs. Leg bones act as pillars to support the body trunk, and the ribs support the thorax wall. ...read more.


Muscle: None striated Smooth muscle is an involuntary non-striated muscle. Multiunit smooth muscle tissues innervate individual cells; as such, they allow for fine control and gradual responses, much like motor unit recruitment in skeletal muscle. Muscle: Cardiac Cardiac muscle (heart muscle) is a type of involuntary striated muscle found in the walls and histological foundation of the heart, specifically the myocardium. Cardiac muscle is one of three major types of muscle, the others being skeletal and smooth muscle. Nervous: neurones A neuron is a nerve cell that is the basic building block of the nervous system. Neurons are similar to other cells in the human body in a number of ways, but there is one key difference between neurons and other cells. Neurons are specialized to transmit information throughout the body. Nervous: neuroglia Neuroglia refers to a tissue that surrounds and supports neurons in the central nervous system. This tissue forms the major part of the central nervous system. Their main function is to insulate neuron from each other. Skin Stomach ...read more.

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