Outline the Structure of the Main Tissues of the Body

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Unit 5- Anatomy and Physiology for Health and Social care P2-Outline the structure of the main tissues of the body The stomach- The stomach is a muscular organ that is located on the left side of the upper abdomen. The stomach receives all the food from the esophagus, when the food reaches the end of the oesophagus it enters the stomach through a muscular valve which is known as the lower esophagus sphincter. The stomach muscles contract periodically, churning the food to enhance digestion. Phloric sphincter is a muscular valve which opens to allow food to pass from the stomach to the small intestine. Non-striated- There is non striated muscle in the stomach, it helps the digestive system in the process of digestion of food by causing mechanical digestion due to churning action as muscles contract. It causes voluntary movement particularly during hunger or even when vomiting etc. Columnar Epithelium- Epithelium are protection cells, in the stomach and digestive tract it provides an impermeable barrier against any bacteria that could be ingested but is permeable to any necessary ions. Its especially important in the colon. The pH of the stomach is 1-2 this is strongly acid. The epithelial lining contains goblet cells which help the stomach from eroding. The inner layer of the stomach is known as the mucosa, and is made of mucus membrane, this protects the stomach from being digested. Areolar Tissue- This tissue cushions and protects organs, connecting different tissues and supporting blood vessels. It’s the most common tissue in the body. Areolar connective tissue had no obvious structure, it is made of cells and extra cellular matrix. This binds all of the layers together in the stomach, so it doesn’t fall apart. The Skin- The skin is the largest organ in the body, with a total area of about 20 square feet. The skin protects us from

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