Description and Function of 1)Oesophagus 2) stomach 3) small intestine 4) large intestine 5)anus and rectum?
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Jul 9
1) Oesophagus: The oesophagus is a muscular tube that connects the mouth to the stomach. Its main function is to transport food and liquids from the mouth to the stomach through a series of coordinated muscle contractions known as peristalsis.
2) Stomach: The stomach is a muscular organ located in the upper abdomen that plays a key role in the digestion of food. It secretes digestive enzymes and acids that break down food into smaller particles, which can then be absorbed by the small intestine.
3) Small intestine: The small intestine is a long, coiled tube that is responsible for the majority of nutrient absorption in the digestive system. It is lined with tiny finger-like projections called villi, which increase the surface area available for nutrient absorption.
4) Large intestine: The large intestine, also known as the colon, is the final part of the digestive system. Its main functions include absorbing water and electrolytes from undigested food, forming and storing feces, and facilitating the elimination of waste from the body.
5) Anus and rectum: The anus is the opening at the end of the digestive tract through which feces are expelled from the body. The rectum is the final section of the large intestine, located just above the anus, where feces are stored before being eliminated. Together, the anus and rectum play a crucial role in the process of defecation.