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anotamy of the small intesine is essentially same for the whole tract ,with slight variation from duodenum to jejnum &ileum . smooth muscle layer srated in lower esopagus,continue on through the whole intestinal tract, with outer longitudinal *inner circumferential. circumferential layer is main one responsible for motility& mixing.
the motiliy of the small intesine ,brought about my smooth muscle in it wall,(1)mixes the luminals contents with the variouse secreations (2) bring the contents into contact with the epithelial surface where obsorbtion taks place & (3) slowly advances the luminal material the large intestine.
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The main site of alcohol absorption is in the?
small intestine. Alcohol is primarily absorbed into the bloodstream through the walls of the small intestine after it is consumed.
What is the main function of the digestivesystem?
small intestine
Where is small molecules absorbed?
Small molecules are primarily absorbed in the gastrointestinal (GI) tract, particularly in the small intestine. The small intestine has a large surface area due to its villi and microvilli, which facilitate efficient absorption of nutrients and drugs into the bloodstream. Some small molecules can also be absorbed in the stomach and large intestine, but the small intestine is the main site for most substances.
What organ digests proteins?
The stomach is the main organ responsible for digesting proteins. It secretes enzymes like pepsin and hydrochloric acid to break down proteins into smaller peptides and amino acids for absorption in the small intestine.
What are the two jobs of the small intestine?
The two main jobs of the small intestine are digestion and absorption. It digests food using enzymes and other substances, breaking down nutrients into smaller molecules. These nutrients are then absorbed through the walls of the small intestine and into the bloodstream to be used by the body.
What organ of the digestive system is considered the primary organ of absorption?
The digestive organ that is considered the primary organ of digestion is the small intestine but more specifically it is the duodenum of the small intestine. This is the region directly after the stomach and is approximately 25 cm long. The small intestine absorbs nutrients and large intestine absorbs water.
The main site of alcohol absorption is in the?
small intestine. Alcohol is primarily absorbed into the bloodstream through the walls of the small intestine after it is consumed.
What is the main function of the digestivesystem?
small intestine
What are the main organs of digestion?
the large intestine, small intestine, pancreas and mabey lungs
What is the main organ in the digestive system?
The small intestine.
What is the main part of the small intestine?
duodenum;ileum
Is the large intestine before the small intestine?
No, the small intestine precedes the large intestine. The former digests and absorbs all the main nutrients, while the large intestine absorbs water and stores faeces ahead of assimilation.
What are the four main organs in the digestive system?
The esophagus, the stomach, the small intestine and the large intestine.
What are the 12 main organs in Chinese medicine?
the lung, large intestine, stomach, spleen, heart, small intestine, urinary bladder, kidney, liver, gallbladder, pericardium, and the "triple warmer," which represents the entire torso region
What is the main organ of digestion?
there are 5 primary parts of the digestive tract. it starts with the mouth, then goes through the esophagus, then into the stomach which leads to the small intestine then into the large intestine then to the rectum
What 3 main body parts are involved in the excretion of liquid waste products?
the 3 main ones are the big intestine, the small intestine, and stomach
Parts of the small intestine?
The small intestine has three main divisions: - duodenum - jejunum, - ileum. Those are the main sections, but the duodenum could be divided further into: superior, descending, horizontal, and ascending portions.
