The digestive system is important for breaking down food and turning it into nutrients. The body uses the nutrients for energy, growth, and cell repair. The food and drinks that a person must be changed into smaller molecules of nutrients before the blood absorbs them and carries them to cells throughout the body. The body breaks down nutrients from food and drink into carbohydrates, protein, fats, and vitamins. Compared to the other systems in the body, the digestive system is one of the most diverse and important. According to Robert Sullivan the digestive system is a set group of organs whose function is based on the process of turning food, absorbing nutrients for energy and getting rid of the bodies waste (Sullivan, 2008, p.33). The organs …show more content…
Have you ever wondered where your food has gone once you consume it? Through your digestive system where the mass of food undergoes a process called digestion. Digestion is the chemical and physical breakdown of food into forms such as energy or nutrients that can be used by the body’s cells (McKenzie, 2010). The whole process starts in the mouth. The mouth contains a watery substance called saliva. Saliva is important to the whole process of food digestion, because not only does it help with sensing taste, but it is also made up of enzymes that break down the fats and starches in food at a molecular level. The esophagus is a tube where swallowed food travels down to the stomach. The stomach is a muscular sac that acts as a blender and mixes food with acid, hydrochloric acid, which breaks down the swallowed chum and flushes the nutrients into the small intestine (Columbia University, 2010). The hydrochloric acid in the stomach is so powerful it can eat through a leather shoe. However, the stomach contains other chemicals, such as gastric acid, mucus and enzymes that also soften food (Sullivan, 2008). The result thus far in the process of digestion in the stomach is now called chime (Sullivan, …show more content…
It can be turned into energy through each person’s unique metabolism. The main reaction that takes place in the digestive system is called Metabolism. Metabolism takes place everywhere, but mainly in the stomach where is breaks down substances into smaller molecular forms, which gives the body energy (Encyclopedia Britannica Online School Edition, 2011). Our metabolisms are chemical reactions that are carried out through a microcellular catalyst called an enzyme. Enzymes help chemically break down large nutrients, proteins, fats and carbohydrates into smaller forms of amino acids, fatty acids and simple sugars (Encyclopedia Britannica Online School Edition, 2011). Amino acids and fatty acids are mainly where we get our energy from. The whole process starts when we eat and our metabolism breaks down the food. The amino acids and fatty acids are absorbed into the blood where once they attach to a cell, they are then able to speed up the chemical reactions taking place while the amino and fatty acids are monitoring the reactions in the cell some energy is released. This energy can be stored in the body until it is needed (Encyclopedia Britannica Online School Edition, 2011). There are two forms of metabolism called anabolism and catabolism. Anabolism is storing energy and maintaining cells while catabolism is all about making energy so that each cell has a specific amount to
•The forty five year old patient is diagnosed with the progressive cirrhosis inflaming the liver along with the parenchymal cells. The plain symptoms is manifested primarily because of the augmentation of edema internally in the lower abdomen.
The digestive system, in organisms like the mink and human, is supposed to break down the food being eaten to transfer into energy. This energy helps other functions of the body that would in turn keep it alive. The digestive system includes organs such as the stomach, intestines, liver, etc. Digestion starts at the mouth, though.
The digestive system otherwise known as the gastrointestinal tract (GI tract) is a long tube which runs from the mouth to the anus. It operates to break down the food we eat from large macromolecules such as starch, proteins and fats, which can’t be easily absorbed, into readily absorbable molecules such as glucose, fatty acids and amino acids. Once broken down, these molecules can cross the cells lining the small intestine, enter into the circulatory system and be transported around the body finally being used for energy, growth and repair.
Digestive juices are produced daily in the amount of about 2 to 3 quarts, which could explain the gurgling noises heard at times. As food enters, the gastric juices are then released and begin working on proteins. the salivary amylase continues working in your stomach. Within the action of the gastric juices are helped by the churning in the stomach walls. The semiliquid food is called chyme, as the chyme leaves the stomach through the pyloric sphincter, as it acts as the gatekeeper. This allows a small squirt of chyme into the duodenum from time to time. Pizza takes around 2-4 hours to leave your stomach. As food moves through your stomach by peristalsis; vomiting is an action that occurs due to reverse . Therefore, the only known substances absorbed in the stomach are alcohol and some
Digestion is defined as the process of transforming foods into unites for absorption. The Digestive System is a complex network of organisms that have six major processes: The digestion of food, the secretion of fluids and digestive enzymes, the mixing and movement of food and waste throughout the body, the digestion of food into smaller pieces, the absorption of nutrients, and the excretion of wastes (Inner Body (1).)
http://kidshealth.org/kid/cancer_center/HTBW/digestive_system.html ( I didnt copy direct quotes, however I had used the idea of the beginning in my research on the digestive system to help the reader better understand the system)
Imagine you are eating a sandwich containing wheat bread, ham, lettuce, and Swiss cheese. Do you ever wonder where the nutrients go from all of the previous listed ingredients? Well, when a bite of this sandwich is taken, the mouth produces a saliva enzyme called amylase. This enzyme immediately goes to work by breaking down the carbohydrates that are in the bread. Once, the bite is completely chewed, the contents then are swallowed and go down the esophagus and begin to head towards the upper esophageal sphincter and the is involuntarily pushed towards the stomach. The next passage for the sandwich is to go through the lower esophageal sphincter; which transports the sandwich into the stomach.
Hello everyone and welcome to the tour of Mr. Doe’s gastrointestinal tract. Today we will be catching a ride alongside the very unhealthy food he will be consuming in just a few minutes such as, a hamburger, French fries and a root beer. For the next few minutes, please take a moment to look at the images of each structure on the pamphlet which is located on the back of the seat in front of you. The digestive system consists of the digestive tract called alimentary canal which forms a continuous path from the mouth to the anus. I hope everyone is buckled in and excited to see the different structures within the digestive system located in Mr. Doe’s body today! Ladies and gentleman, please hold on tight as Mr. Doe takes a bite out of his hamburger in just a few seconds.
Haven't you ever wondered what would happen if you didn't have a digestive or circulatory system? Well, basically you wouldn't be able to be reading this or even be alive. While there are many important systems in the body, the circulatory and digestive are the two most important. There are many ways that they are similar, different, and how they work together.
During digestion, the body breaks down food into smaller molecules that could then be used by the body’s cells and tissues in order to perform functions. This starts off in the mouth with the physical movements of chewing and the chemical breakdown by saliva. Enzymes in the stomach break food down further after traveling from the mouth through the esophagus. The food from here then moves into the small intestine, where pancreatic juices and enzymes dissolve proteins, carbohydrates, and fibers, and bile from the liver breaks down fats into these small molecules. Any portion of the fibers or food that were unable to be broken down are passed from the small intestine to the large intestine, which is where the digestive tract transitions into the excretory tract, then the colon and out of the rectum. Any liquids that have been stripped of their nutrients by the body proceed from the stomach to the kidneys. In the kidneys, sodium ions (Na+), uric acid, and urea are exchanged with water, which moves urinary bladder and is excreted through the
Your digestive system is a made up of the gastrointestinal (GI) tract—also called the digestive tract—and the liver, pancreas, and gallbladder. The GI tract is a series of hollow organs joined in a long, tube from the mouth to the anus. The main purpose of the digestive system is to break food into smaller substances that your body can use for energy.
Digestion have a function of breaking down all food into our body. Our body use all nutrients to help in the process been health and growth. Digestion supplied small molecules that will be absorbed into our bloodstream.
The hydrochloric acid in the stomach breaks down the sugars within the ingested food and chemically simplifies them. The acid is produced by the liver and is stored in the gall bladder (behind and under the liver). The now called bile then travels to the small intestine where vital nutrients are absorbed by the body and proteins are broken down in the duodenum. The large intestine is the next section and it absorbs all the water still retained in the processed material. When every possibly useful thing to the body is stripped from the bile, the substance is then excreted by the body through the rectum and
When something gives us energy, it means more than to just give us the required power to work or move along for such a specific task. In biological terms, it means to have your energy be transported through your body and placed by cells into biomolecules. Biomolecules such as lipids and carbohydrates. It then stores that energy in our body.
The digestive system is very responsible for taking the whole food that people eat and turns them into energy and nutrients to allow the body to function, grow, and fix itself. The six primary processes of this system are ingestion of food, secretion of fluids and digestive enzymes, mixing and movement of food and waste throughout the body, digestion of food into small pieces, absorbing the nutrients, and the elimination of wastes. Ingestion is the first function of the digestive system, which is also known as the intake of food. The mouth is the reasoning for this process because through the mouth is the way food enters the body. The stomach and the mouth store food until your stomach is ready to digest the food that was just eaten. The reason why people can only eat a few times a day is because your body can only allow a certain amount of food depending on your body weight and type, and it cannot ingest more food than it can process at one time. The next step in Secretion, this happens in the course of the day. The digestive system secretes about 7 liters of fluid daily, but these fluids include saliva, mucus, hydrochloric acid, enzymes, and bile...