Question

In: Biology

Role of small and large intestine in our body

Explain the role of large and small intestine in human beings

Solutions

Expert Solution

Small Intestine

The small intestine is the longest part of the alimentary canal, about 20 feet long in humans.

It has regions, duodenum, the region which follows stomach, jejunum is the middle part and ileum is the later region which continues further into the large intestine.

The internal surface of the small intestine is folded into finger-like projections called villi.

A common pancreatic duct from pancreas and liver opens into the duodenum.

Most of the chemical digestion and absorption takes place in the small intestine.

 

Large Intestine

The large intestine in humans is about 5 feet long.

It has two regions, colon ( about 1.5 m) and rectum (10 cm in length in the adult).

The region of large intestine after ileum is called colon while the last part is called the rectum.

Colon has three regions as, ascending colon, transverse colon and descending colon.

At the base of the ascending colon, a small finger-like out-growth is seen and is called an appendix.

It houses many useful bacteria required for digestion of food.

Rectum opens to outside by anus.

The anus has internal and external anal sphincters.


Small Intestine

The small intestine is the longest part of the alimentary canal, about 20 feet long in humans.

Related Solutions

Role of HCL and Liver in our body
Hydrochloric acid in the stomach is secreted by the gastric glands present in its wall.   The liver is the largest and major digestive gland of humans
Role of HCL and Liver in our body
Hydrochloric acid in the stomach is secreted by the gastric glands present in its wall. The liver is the largest and major digestive gland of humans
What is the weight of the body?
A spring balance has a scale that reads from 0 to 50 kg. The length of the scale is 20 cm. A body suspended from this balance, when displaced and released, oscillates with a period of 0.6 s. What is the weight of the body?
To calculate Energy Radiated by body
A hot black body emits the energy at the rate of 16 J m-2 s-1 and its most intense radiation corresponds to 20,000 Å. When the temperature of this body is further increased and its most intense radiation corresponds to 10,000 Å, then find the value of energy radiated    
How many counties are there in our country Kenya?
How many counties are there in our country Kenya?
How many counties are there in our country Kenya?
How many counties are there in our country Kenya?
How many counties are there in our country Kenya?
How many counties are there in our country Kenya?
Due to the small and highly electronegative nature of fluorine
Due to the small and highly electronegative nature of fluorine, the oxyacids of the this element are much less common and less stable than those of the other halogens. Bonding theory, however, does allow one to propose structures for these acids and use formal charges for the evaluation of these structures. For a molecule of fluorous acid, the atoms are arranged as HOFO. (Note: In this oxyacid, the placement of fluorine is an exception to the rule of putting the...
In mitochondrial electron transport, what is the direct role of O2?
The role of O2 in electron transport In mitochondrial electron transport, what is the direct role of O2? a)to provide the driving force for the synthesis of ATP from ADP and Pi b)to function as the final electron acceptor in the electron transport chain c)to oxidize NADH and FADH2 from glycolysis, acetyl CoA formation, and the citric acid cycle d)to provide the driving force for the production of a proton gradient
The cytoskeleton of a eukaryotic cell plays a major role in organizing the structures and activities of the cell.
The cytoskeleton of a eukaryotic cell plays a major role in organizing the structures and activities of the cell. The cytoskeleton consists of three main types of fibers: microfilaments, intermediate filaments, and microtubules. The three types of fiber differ in size, composition, and the functions they perform in the cell. Drag the terms on the left to the appropriate blanks in the sentences on the right. Terms can be used once, more than once, or not at all.