
Comparative account of the alimentary canal and digestive gland in vertebrates.
Answer
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Hint: The specialized parts of the body i.e lips and teeth to the anus is consist of the alimentary canal. It has greatly distinct enterocytes and mucous coats present externally. Thus, comprise complex mucous membranes.
The digestive gland is related to the digestion of food absorption of nutrients from food and the elimination of solid food waste.
Complete answer:
-The digestive system is made up of an alimentary canal also called the digestive tract and the organs such as the liver and pancreas.
-Alimentary canal is a long tube of organs, a passage from which food passes to the stomach for digestion. It includes the esophagus, stomach, small and large intestine, rectum, and anus.
-Digestive system includes the alimentary canal and digestive glands it includes a salivary gland, liver, pancreas, gastric glands, and intestinal glands.
Additional Information: -Before the food reaches the stomach, digestion starts in the mouth itself. Whenever we smell the aroma of tasty food or imagine delicious food, our salivary glands present under the tongue, close to the lower jaw, and in front of the ear start making saliva.
-the alimentary canal or gut shows four unique reasons namely ingressive zones that include mouth lips and jaws for the intake and handling of food.
-Progressive zones include the oral cavity pharynx and the esophagus through which food passes with little digestion.
-Degressive zone consists of the stomach and small intestine where the accomplishment of digestion takes place.
-The aggressive zones consist of the colon and rectum where before the expulsion of food, undigested food stays there. It also absorbs excess water from it.
Note: -So, the digestive system includes the alimentary canal and the associated glands that secrete digestive juices into the canal through the ducts.
-The food is moved along the track by the contraction of smooth muscles in the wall of the canal.
The digestive gland is related to the digestion of food absorption of nutrients from food and the elimination of solid food waste.
Complete answer:
-The digestive system is made up of an alimentary canal also called the digestive tract and the organs such as the liver and pancreas.
-Alimentary canal is a long tube of organs, a passage from which food passes to the stomach for digestion. It includes the esophagus, stomach, small and large intestine, rectum, and anus.
-Digestive system includes the alimentary canal and digestive glands it includes a salivary gland, liver, pancreas, gastric glands, and intestinal glands.
Additional Information: -Before the food reaches the stomach, digestion starts in the mouth itself. Whenever we smell the aroma of tasty food or imagine delicious food, our salivary glands present under the tongue, close to the lower jaw, and in front of the ear start making saliva.
-the alimentary canal or gut shows four unique reasons namely ingressive zones that include mouth lips and jaws for the intake and handling of food.
-Progressive zones include the oral cavity pharynx and the esophagus through which food passes with little digestion.
-Degressive zone consists of the stomach and small intestine where the accomplishment of digestion takes place.
-The aggressive zones consist of the colon and rectum where before the expulsion of food, undigested food stays there. It also absorbs excess water from it.
Note: -So, the digestive system includes the alimentary canal and the associated glands that secrete digestive juices into the canal through the ducts.
-The food is moved along the track by the contraction of smooth muscles in the wall of the canal.

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