Question

Discuss the basic plan of typically almentary canal of multicellular organisms

Answer 1

Answer:

Explanation:Alimentary Canal Definition

The alimentary canal is a continuous passage starting from the mouth and ending at the anus, which carries food through different parts of the digestive system and allows waste to exit the body. The alimentary canal varies widely in organism, but is only seen in organism which are bilaterally symmetrical. Various sections of the alimentary canal contain cells which secrete digestive enzymes, allowing food to be broken down. Other specialized cells allow for the absorption of materials into the body. In human and other highly complex animals, the alimentary canal is organized into specialized tissues and organs. These organs and tissues were derived from the alimentary canal of our earliest ancestors, which likely consisted of a simple tube connecting the mouth and anus.

Answer 2

Answer:

Explanation:

The alimentary canal is a continuous passage starting from the mouth and ending at the anus, which carries food through different parts of the digestive system and allows waste to exit the body.In mouth salivary amylase is released which helps in the digestion of carbohydrates. Then through oesophagus food goes to stomach in which 3 enzymes are secreted which are HCL,mucus and pepsin. Pepsin helps in digesting proteins. And then food goes to small intestine in which enzymes secreted by liver and pancreas is released which helps in digesting  fats and proteins. At last it goes to large intestine in which only water is absorbed and then it goes to anus and then rectum.

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