What is the structure and function of the digestive system. [Solved] The Structure and Functions of the digestive system 2022-11-08

What is the structure and function of the digestive system Rating: 7,3/10 1761 reviews

The digestive system is a complex network of organs and glands that work together to convert food into energy and nutrients. It is essential for maintaining the overall health and well-being of an individual.

The structure of the digestive system begins with the mouth, which is responsible for mechanically breaking down food through chewing and grinding. The food is then mixed with saliva, which contains enzymes that begin the process of breaking down carbohydrates.

The next organ in the digestive system is the esophagus, a muscular tube that transports the food to the stomach through a series of contractions known as peristalsis.

The stomach is a muscular sac that mixes and grinds the food, as well as secretes digestive enzymes and stomach acid. This acid helps to kill any harmful bacteria present in the food, and the enzymes break down proteins, carbohydrates, and fats.

After leaving the stomach, the partially digested food enters the small intestine, which is the primary site of nutrient absorption. The walls of the small intestine are lined with tiny finger-like projections called villi, which increase the surface area for absorption. The small intestine also receives digestive enzymes and bile from the pancreas and liver, which help to break down the remaining nutrients.

The large intestine, or colon, is responsible for absorbing water and electrolytes from the undigested food material and forming the stool. The stool is then stored in the rectum until it is eliminated through the anus.

In addition to these organs, the digestive system also includes the liver, gallbladder, and pancreas, which produce bile and digestive enzymes that aid in the digestion process.

The main function of the digestive system is to provide the body with the nutrients it needs to function properly. These nutrients, including carbohydrates, proteins, and fats, provide energy and support the growth and repair of tissues. The digestive system also helps to eliminate waste products from the body.

Overall, the digestive system plays a crucial role in maintaining the health and well-being of an individual by efficiently breaking down and absorbing nutrients from food and eliminating waste products.

[Solved] The Structure and Functions of the digestive system

what is the structure and function of the digestive system

The anus has the pelvic floor muscles and the two anal sphincters. It can digest lipids, carbs, proteins, and nucleic acids. They should continue the treatment to cure the caner. When we compare the food pyramid water and carbohydrates forms the base line, they are very much important to maintain the energy level in the body. Why are water and electrolytes transported in both directions through tight junctions and intercellular spaces rather than across cell membranes? It also takes the blood coming from the digestive tract and changes all the nutrients into forms the body can use, storing some.

Next

Structure and Function of the Digestive System

what is the structure and function of the digestive system

When food leaves the small intestine, approximately 90 percent of all nutrients were taken from the food that came into it. Poly-saccharides- poly means many, starch and cellulose are poly-saccharides glucose is stored in the form of poly-saccharides. Mouth- is the entry point of the digestive system where the breakdown of the food substance taking place mechanically e. ANS: C Squatting or sitting facilitate defecation; these positions straighten the angle between the rectum and anal canal and increase the efficiency of straining increasing intraabdominal pressure. Mechanical digestion is the physical breakdown into smaller bits of large foods. Once all nutrients are extracted from the chyme, it is passed into the large intestine. The liver helps to detoxify potentially harmful chemicals.


Next

Digestive System: Function, Organs & Anatomy

what is the structure and function of the digestive system

But in digestion, the bile and its secretion in the small intestine are the principal functions of the liver. It also metabolizes proteins, carbohydrates, and fats; helps regulate blood sugar levels; stores glycogen for quick energy; makes fibrinogen, which clots blood; makes vitamin A; and recycles worn-out red blood cells. This is all the nutrients your body needs to function properly and collect it all up in the bowl. There is a hollow portion of the tube known as the lumen, a muscular layer in the middle, and a layer of epithelial cells. Gallbladder The Colon The The colon is made up of the cecum, the ascending right colon, the transverse across colon, the descending left colon, and the sigmoid colon, which connects to the rectum. Match the parts of the digestive system in the list to their function. Put your food, water, and orange juice in the stomach.


Next

Organs and Function of the Digestive System

what is the structure and function of the digestive system

Which is the first part of the digestive system? Inside your The stomach is the main site for protein digestion and uses powerful enzymes, known as pepsins, as well as hydrochloric acid, to digest foods like meats, milk, and cheese. Nam lacinia pulvinar tortor nec facilisis. Liver- which creates the bile from bile duct- cleanses and purifies the blood which is coming from the small intestine. Lor ctum vitae odio. Segmentation Segmentation only happens in the gut as short segments of the gut contract, such as the hands squeezing the tube of toothpaste.


Next

What is the Main Function of the Digestive System?

what is the structure and function of the digestive system

Teeth break down food in the mouth mechanically, this means they grind it up. Choose whole grains over processed grains and try to avoid processed foods in general. Mitochondria Power house of the cell. Liver This releases a chemical called bile into the intestines. In the mouth are the teeth, tongue and the salivary glands. Pancreas— secrets the enzyme called the insulin which breaks down the food substance into basic glucose. .

Next

Digestive System: What is the Structure and Function? > PharmaCampus

what is the structure and function of the digestive system

ANS: A Each end of the esophagus is opened and closed by a sphincter. Meiosis-cell division takes place for reproductive cell Multiplication of reproductive cells i. Your small intestine uses bile to digest fats. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Pellentesque dapibus efficitur laoreet. Tumour is a sudden growth of cells, tissues which can happen anywhere in the whole body.

Next

The structure of the digestive system

what is the structure and function of the digestive system

We can find glucose in the following list produce. Poly saccharides are divided into basic glucose. The stomach does both mechanical and chemical digestion. This selection is the only option that accurately identifies the molecule needed to facilitate lipid hydrolysis. Sphincter— is a connecting tube between stomach and oesophagus phyloric sphincter. This is released into the small intestine to break down large molecules of lipids into smaller ones.

Next

Chapter 41: Structure and Function of the Digestive System Flashcards

what is the structure and function of the digestive system

Small Intestine The small intestine is 1 centimeter in diameter and around 10 feet long and a long, thin tube that lies in the lower gastrointestinal tract. Unconjugated fat-soluble bilirubin into urobilinogen b. The stomach is a baglike structure that secretes digestive juices, mixes and stores food, and propels partially digested food chyme into the duodenum. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. The digestive tract includes the mouth, esophagus, stomach, intestines, and anus. The large intestine also absorbs water, vitamins B and K before the feces exit the body. Lessons are self-paced and can be accessed at any time, on any device.

Next