DRAW A LABELLED DIAGRAM OF THE HUMAN DIGESTIVE SYSTEM.
PLEASE ANWER ME FAST
Dear Student,
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Stomach:
1) Churning of food and mixing food with gastric juices.
2) Gastric juice is composed of hydrochloric acid, mucus, and pepsinogen.
Hydrochloric acid dissolves bits of food and creates an acidic medium. In acidic medium, pepsinogen is converted to pepsin. Pepsin helps in digestion of protein
Small intestine:
It is the longest part of the alimentary canal. It is made up of three parts- duodenum, jejunum, and ileum. The small intestine produces intestinal juice from the glands present in the wall, which helps in further digestion of food. Digestive juices from liver and pancreas mixes with the food in the small intestine. Complete digestion of carbohydrates, proteins, and fats take place in small intestine.
Small intestine has many fingers like projection which are known as villi. These villi are specified for absorption. Villi increase the surface area of small intestine providing more area for absorption.
Large intestine: The undigested material and water enters in large intestine. Again water and remaining nutrients are absorbed and formation of faeces takes place. These faeces are stored in rectum and expelled out of the body through anus.
Regards
Stomach:
1) Churning of food and mixing food with gastric juices.
2) Gastric juice is composed of hydrochloric acid, mucus, and pepsinogen.
Hydrochloric acid dissolves bits of food and creates an acidic medium. In acidic medium, pepsinogen is converted to pepsin. Pepsin helps in digestion of protein
Small intestine:
It is the longest part of the alimentary canal. It is made up of three parts- duodenum, jejunum, and ileum. The small intestine produces intestinal juice from the glands present in the wall, which helps in further digestion of food. Digestive juices from liver and pancreas mixes with the food in the small intestine. Complete digestion of carbohydrates, proteins, and fats take place in small intestine.
Small intestine has many fingers like projection which are known as villi. These villi are specified for absorption. Villi increase the surface area of small intestine providing more area for absorption.
Large intestine: The undigested material and water enters in large intestine. Again water and remaining nutrients are absorbed and formation of faeces takes place. These faeces are stored in rectum and expelled out of the body through anus.
Regards