Question

Describe the process of digestion in different parts of the alimentary canal?

Answer 1

Answer:

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Explanation:

Mouth:-

Function:-

Where food enters the alimentary canal and digestion begins.

Salivary glands:-

Function:-

Produce saliva containing amylase

Oesophagus:-

function:-

Muscular tube which moves ingested food to the stomach

Stomach:-

Function:-

Muscular organ where digestion continues

Pancreas:-

Function:-

Produces digestive enzymes

Liver:-

Function:-

Produces bile

Gall bladder:-

Function:-

Stores bile before releasing it into the duodenum

Small intestine - duodenum

Function:-

Where food is mixed with digestive enzymes and bile

Small intestine - ileum

Function:-

where digested food is absorbed into the blood and lymph

Large intestine - colon

Function:-

Where water is reabsorbed

Large intestine - rectum

Function:-

Where faeces are stored

Large intestine - anus

Function:

Where faeces leave the alimentary canal

Answer 2

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Write different parts of alimentary canal are :

• Bucal  Cavity - Mouth, also called oral cavity or buccal cavity, in human anatomy, orifice through which food and air enter the body. The mouth opens to the outside at the lips and empties into the throat at the rear; its boundaries are defined by the lips, cheeks, hard and soft palates, and glottis.
• Foodpipe or oesophagus - The food pipe (oesophagus) is part of your digestive system. It is the tube that carries food from your mouth to your stomach. It lies behind the windpipe (trachea) and in front of the spine.
• Stomach - the organ in your body where food goes after you have eaten it
• Small intestine - the part of the intestine that runs between the stomach and the large intestine; the duodenum, jejunum, and ileum collectively.
• Large intestine - The long, tube-like organ that is connected to the small intestine at one end and the anus at the other. The large intestine has four parts: cecum, colon, rectum, and anal canal. Partly digested food moves through the cecum into the colon, where water and some nutrients and electrolytes are removed.
• Rectum and Anus - The rectum is a chamber that begins at the end of the large intestine, immediately following the sigmoid colon, and ends at the anus (see also Overview of the Anus and Rectum).

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