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What is the purpose of the small intestine in the digestive system?
The small intestine is where the majority of digestion takes place. It is where the nutrients, vitamins, minerals are removed from food and taken into the blood stream for use in the body.
Where majority of nutrient absorption of the digestive system occurs?
Most of the nutrients in food are taken into the bloodstream by the second part of the small intestine, known as the jejenum. Whatever is leftover is absorbed into the large intestine before excretion.
Where is food digested the most and taken into the body?
Most digestion and absorption takes place in the small intestine.Initial and substantial digestion takes place in the stomach, before being completed in the upper part (duodenum) of the small intestine. The middle part of the small intestine (jejunum) is where most absorption of nutrients occurs, with the remainder done in the final part (ileum), and in the large intestine.
Where does maximum digestion of food take place in a vertebrate animal?
The small intestine is where most of the food taken in by vertebrates is digested. It is also absorbed there.
Are Most water and salt absorbed in the colon?
Most of the water and salt absorption occurs in the small intestine. The colon primarily absorbs water, electrolytes, and some vitamins remaining after digestion has taken place in the small intestine.
What is bacteria in the large intestine are responsible for?
The primary role of the large intestine is reabsorption of water from stool. It also absorbs some nutrients not taken up efficiently by the small intestine, and houses most of the symbiotic bacteria in your gut.
What is the role of the small intestine in the digestion?
It takes the the food pulp from your stomach and continues to digest it as it travels through it. Your small intestine then absorbs the nutrients that the previous digestion of the food has made available. The texture of the food at this stage is typically that of runny applesauce (not to try to ruin your appetite for the food, haha) and as nutrients are taken out of the food it gradually begins to turn into bolus (or fecal matter). There are these ring like structures that line your small intestine called circular folds that help slow down the food as well to make sure that as much of it is digested and as many nutrients as possible are harvested from what you have eaten. After it reaches the end of the small intestine, it goes into the large intestine, which basically stores the bolus until the appropriate time to expell it from your body.
How do you classify a digestion reaction?
Digestion is a chemical reaction that takes place in the body, starting from the mouth and ending in the small intestine. It is a long process taking place in a 9m long alimentary canal. Ingestion in the mouth is when the food is taken in, digestion when the food is broken down into simpler molecules, absorption when the digested food is absorbed by the blood, assimilation when the digested food is utilised by the the body and finally, egestion where the unwanted food is excreted out from the body, through the anus. With these processes, there are many other organs in the body which help digestion to take place, some being the liver, pancreas, stomach, small intestine.
How food changes in the small intestine?
the food becomes nutrients and undigested food becomes a waste............... :D
How does the small intestine and the stomach work together?
the stomach churns the food making it into smaller particles. also there are enzymes in the stomach that break up protiens and can only survive in stomach acid. they do this so that the food will not burn the small intestine. Bile is released from the liver into the stomach that help to break up fats. as the food passes through the small intestine its nutrients are absorbed by the villi and are taken into the blood stream.
Where are food molecules absorbed into the bloodstream?
Food molecules are primarily absorbed into the bloodstream in the small intestine. The inner lining of the small intestine is covered in finger-like projections called villi, which increase the surface area available for absorption. Nutrients from food pass through the walls of the small intestine and into the bloodstream, where they are transported to cells throughout the body.
Where do nutrients enter the body's circulatory system?
food ingested is broken down into smaller pieces via mechanical and chemical digestion. this takes place in the mouth stomach and the intestine. it is then absorbed (taken in) by cells of the gut called enterocytes. these cells then transfer the nutrients into the capillaries supplying the gut. in this way nutrients from your diet enter the circulatory system to transfer them to other tissues
