BMN 27
Feb 9
# functions of all digestive system organs occurred in digestive system?
# digestive system organs?
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Feb 9
The digestive system is composed of several organs that work together to break down food, absorb nutrients, and eliminate waste. Here are the functions of each organ in the digestive system:
1. Mouth: The mouth is responsible for the initial mechanical digestion of food through chewing and the production of saliva, which contains enzymes that begin the chemical digestion of carbohydrates.
2. Pharynx: The pharynx serves as a passageway for food and air, allowing the food bolus to move from the mouth to the esophagus.
3. Esophagus: The esophagus transports the food bolus from the pharynx to the stomach through peristaltic contractions.
4. Stomach: The stomach stores and churns food, mixing it with gastric juices that contain enzymes and hydrochloric acid. This process breaks down proteins and kills bacteria. The stomach also regulates the release of partially digested food, known as chyme, into the small intestine.
5. Small Intestine: The small intestine is where most of the digestion and absorption of nutrients occur. It receives secretions from the liver, gallbladder, and pancreas to aid in the breakdown of carbohydrates, proteins, and fats. The inner lining of the small intestine contains numerous tiny finger-like projections called villi, which increase the surface area for nutrient absorption.
6. Liver: The liver produces bile, which is stored in the gallbladder and released into the small intestine to aid in the digestion and absorption of fats. The liver also detoxifies harmful substances, stores vitamins and minerals, and produces blood-clotting proteins.
7. Gallbladder: The gallbladder stores and concentrates bile produced by the liver. When needed, it releases bile into the small intestine to emulsify fats, making them easier to digest.
8. Pancreas: The pancreas produces digestive enzymes that are released into the small intestine to break down carbohydrates, proteins, and fats. It also produces insulin and glucagon, hormones that regulate blood sugar levels.
9. Large Intestine (Colon): The large intestine absorbs water and electrolytes from undigested food, forming feces. It also houses beneficial bacteria that aid in the final breakdown of undigested materials and the production of certain vitamins.
10. Rectum: The rectum stores feces until they are eliminated from the body through the anus.
Each organ in the digestive system plays a crucial role in the overall process of digestion, absorption, and elimination, ensuring that nutrients are extracted from food and waste is efficiently removed from the body.
1. Mouth: The mouth is responsible for the initial mechanical digestion of food through chewing and the production of saliva, which contains enzymes that begin the chemical digestion of carbohydrates.
2. Pharynx: The pharynx serves as a passageway for food and air, allowing the food bolus to move from the mouth to the esophagus.
3. Esophagus: The esophagus transports the food bolus from the pharynx to the stomach through peristaltic contractions.
4. Stomach: The stomach stores and churns food, mixing it with gastric juices that contain enzymes and hydrochloric acid. This process breaks down proteins and kills bacteria. The stomach also regulates the release of partially digested food, known as chyme, into the small intestine.
5. Small Intestine: The small intestine is where most of the digestion and absorption of nutrients occur. It receives secretions from the liver, gallbladder, and pancreas to aid in the breakdown of carbohydrates, proteins, and fats. The inner lining of the small intestine contains numerous tiny finger-like projections called villi, which increase the surface area for nutrient absorption.
6. Liver: The liver produces bile, which is stored in the gallbladder and released into the small intestine to aid in the digestion and absorption of fats. The liver also detoxifies harmful substances, stores vitamins and minerals, and produces blood-clotting proteins.
7. Gallbladder: The gallbladder stores and concentrates bile produced by the liver. When needed, it releases bile into the small intestine to emulsify fats, making them easier to digest.
8. Pancreas: The pancreas produces digestive enzymes that are released into the small intestine to break down carbohydrates, proteins, and fats. It also produces insulin and glucagon, hormones that regulate blood sugar levels.
9. Large Intestine (Colon): The large intestine absorbs water and electrolytes from undigested food, forming feces. It also houses beneficial bacteria that aid in the final breakdown of undigested materials and the production of certain vitamins.
10. Rectum: The rectum stores feces until they are eliminated from the body through the anus.
Each organ in the digestive system plays a crucial role in the overall process of digestion, absorption, and elimination, ensuring that nutrients are extracted from food and waste is efficiently removed from the body.
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