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Digestive System
Digestive System is the category for questions regarding the breakdown and absorption of food-stuffs in our alimentary canal. Questions about the stomach and intestines can be included in this category.
7,599 Questions
What is the most important part of the digestive system?
Ice cream is the most important absorbing organ in the digestive system.
Where does carbohydrate digestion occur in the body?
Most of the carbohydrates are absorbed in the small intestine after being digeste. A very small amount are absorbed in the mouth. To find out more about carbohydrates (including the types and classification), see Related Links below
How does cancer affect the digestive system?
Colon cancer involves the destruction of the epithelial cell layer, by which the effectiveness of absorption of excess water at the colon is greatly reduced. This will lead to diarrhoea has there will be more fluid being egested that the body has failed to absorb. Dehydration and deficiency diseases can then arise. The secretion of folic acid and microorganisms that produce vitamin K is also affected due to the destruction of the cells that secrete them, found in the mucosa of the colon.
What are muscular contractions that push food through the digestive system?
Peristalsis are muscular contractions that push food, partially digested food, and solid waste through the digestive system. Peristalsis is under the involuntary nervous system. No matter how hard you might try, you cannot willfully control or influence peristalsis.
List two ways that food is changed in the digestive system?
Upon entry into the mouth, the enzymes within the saliva are already working on breaking down the food. The food then travels down the esophagus, where it continues to be broken down further, while the intestines and stomach pull the nutrients from the foods, and distribute them to the necessary units in order to keep the body functioning.
What are three disorders of the digestive system?
3 digestive disorders are acid reflux, ulcers, and barret's esophagus to name a few. Acid reflux, commonly known as heart burn, is caused by the acidic contents of the stomach moving up into the esophagus. Ulcers are often caused by the bacteria H. pylori, and is treated with antibiotic medication. Ulcers may also be caused by stress. Barret's esophagus is caused by long term acid reflux, where the acid changes the composition of the cellular lining of the esophagus.
How are Digestion and Respiration linked?
Resparation is the creation of energy, in order to do this the body needs oxygen and glucose. Foods are broken down by the stomach and glucose and carbohydrates are absorbed into the bloodstream to the mitocondria (energy creating cells). The oxygen comes from the lungs and meets the glucose at the mitocondria.
A ruptured appendix is generally caused by an inflamation which is termed Appendicitis. A rupture simply meants the wall has broken exposing the rest of the abdominal organs to the contents of the appendix. This causes problems it allows the spread of the infection.
Where does enzymatic digestion begin?
enzymes start the process of digestion in the mouth. they are located more specifically in saliva which is located in the salivary glands.
How can indigestion be helped using neutralisation?
indigestion needs to be neutralised with a medium strength base and magnesium oxide has one .
What type of food molecule is broken down to glucose by digestion?
Sugars and starches are broken down into glucose.
Is the pancreas part of the digestive tract?
No. The digestive tract consists of the tube that makes up the esophagus, stomach, small and large intestines, rectum, and anus. The pancreas (and liver) are accessory organs which, along with the digestive tract, make up the digestive system.
Food that leaves the stomach is in the form of a thick liquid called?
The liquid mixture of food in the stomach is called chyme.
How does the digestive System interact with the skeletal system?
It helps it by protecting all your internal organs.
What is the process called when nutrients go from the digestive system and into the bloodstream?
Digestion
Most chemo and radiation treatment is based on the fact that the cancer cell is somewhat more sensitive to the poisons and radiation than the healthy cells. So they poison you ... very exactly.
Skating this close to being killed upsets your body systems a lot, but since the dose is so exactly controlled you get over it but your little buddy cancer cells bite the bullet. Sickness and hair loss is a side effect.
Latest developments use materials that are non-toxic and tasty to the cancer cells so they absorb a lot more than non-cancer cells. Once they're full a triggering agent or light activates the chemicals in the cancer cells. They die. The normal cells didn't build up the same concentration so they live.
All in all not nice. But, between a hard option and no chance at all I've always opted for the best bet to stay in the game.
A little more...Generally speaking, malignant cells reproduce VERY quickly -- moreso than other cells in your body. Chemo is targetted at killing off the fastest growing cells. Besides malignant cells, other fast-reproducing and fast growing cells include hair, finger and toenails, The GI lining, etc. In other words, all the places that chemo hits you.Post-operative chemo and/or radiation are really necessary almost every time. As an example with breast cancer, a mastectomy with clean margins will yield the patient as being cancer free, but in higher stages of this disorder, not following up with chemo will result in a clonally identical cancer to re-emerge within 5 years about 85% of the time.
Chemo is a difficult phase and it's easy to let people who mean well convince you it's not. The bad news is that chemo is difficult. The good news is that it gets easier and then you're done. It can significantly increase your chances for long-term, non-problematic survival.
What is the digestive juice which has no enzymes?
Bile. It's produced in the Gall Bladder and is made of dead red blood cells. It emulsifies fat.
What organ where nutrients are absorbed into the bloodstream?
Nutrients are absorbed throughout the digestive process. Specific nutrients are absorbed in the stomach and large intestines, but the majority of nutrients are absorbed in the small intestines.
it is produced by mixing food from the oesophagus with acids from the stomach to produce a thick semi-liquid.
What nutrients are absorbed in the small intestines?
They're absorbed so that you can actually gain some nutritional value from food you eat.
--Where are they absorbed? Nutrients are absorbed throughout the entire small intestine, with most of it happening in the duodenum and decreasing as you move further towards ileum. The entire small intestine functions to absorb nutrients from food, whereas the large intestine is more for resorption of salts and water and to remove wastes.
What is pepsin responsible for?
1. Pepsin is the important digestive enzyme of the stomach.
2. Pepsin can essentially digest any protein in the diet.
3. Lacking sufficient pepsin, protein foods are poorly penetrated by other digestive enzymes further on and are thus poorly digested.
What diseases are associated with the digestive system?
some diseases associated withe the digestive system are:
Colon and Rectal CancerColon and Rectal cancer is also referred to as colorectal cancer. This type of cancer is a malignant cell that is found in the colon or rectum region of the body. The large intestine is made up of the colon and the rectum. Colon and rectal cancers share so many common features that they are referred to as the same cancer which is how the name colorectal cancer came about. Stomach CancerStomach cancer is also called, gastric cancer. This cancer affected approximately 21,700 Americans during 2001. The majority of those individuals were in their 60s and 70s. The risk factors for developing stomach cancer are Helicobacter pylori infection and a diet that consists of the following: eating large amounts of smoked foods, salted fish and meat, foods that are high in starch and low in fiber, pickled vegetables, and foods and beverages that contain nitrates and nitrites. DiarrheaDiarrhea is watery stool, or an increased frequency in stool, or both as compared to the normal amount of stool passed by the individual. Diarrhea can be short-term or it can be related to a bacterial or viral infection, or it can be long-term which is usually related to a functional disorder or intestinal disease. Diverticular DiseaseThis disease occurs in small pouches that bulge out in the colon. It is an inflammation or infection in the pouches. Gas in the Digestive TractYou get gas in your digestive tract by swallowing air or during the breakdown process of certain foods by the bacteria that is present in the colon. Everyone has gas. It can be uncomfortable and certainly embarrassing to pass the gas. The average person produces 1 to 3 pints of gas a day and pass gas through their rectums about 14 times each day. HeartburnHeartburn is what most of us get from time to time. Chronic heartburn is a digestive disorder called gastro esophageal reflux disease (GERD). GERD is caused by gastric acid that flows from the stomach and into the esophagus. HepatitisThis is an inflammation of the liver that can result in liver cell damage. There are two types of hepatitis - acute and chronic and six main types of the hepatitis virus. Inflammatory Bowel DiseasesThere are several different diseases that fall under this category all of which require a doctor for treatment. Ulcerative colitis and Crohn's disease are two of these diseases. Irritable Bowel SyndromeIrritable bowel syndrome - more commonly referred to as IBS - is an intestinal disorder that causes cramping, gassiness, bloating and changes in the bowel habits of the individual with the disorder. Lactose IntolerancePeople with lactose intolerance lack an enzyme that is called lactase. This enzyme is needed by the body to digest lactose. Lactose is a sugar found in milk products. Adults and children are affected by this intolerance. Digestive diseases or injuries to the small intestine cause this intolerance. Individuals can experience different symptoms but the common ones are: cramping, bloating, gas, diarrhea, and nausea. The symptoms will worsen when larger portions of milk products are consumed. Stomach and Duodenal UlcersUlcers are open sores or lesions. They are found in the skin or mucous membranes of areas of the body. A stomach ulcer is called a gastric ulcer and an ulcer in the duodenum is called a duodenal ulcer. Lifestyle, stress and diet used to be thought to cause ulcers. These factors may have a role in ulcer formation; however they are not the main cause of them. Scientists now know that ulcers are caused by hydrochloric acid and pepsin that are contained in our stomach and duodenal parts of our digestive system and that these acids contribute to ulcer formation.
What is the name of the wave like constraction that propel food along the gut?
Peristalsis is the process by which smooth muscle moves a mass of food (called the food bolus) through the digestive system.
There is circular smooth muscle and longitudinal smooth muscle in the digestive tract. Contraction of circluar smooth muscle keeps the food bolus from moving "backward" along the digestive tract by decreasing the diameter of the tract behind the bolus. Contraction of the longitudinal muscle in the digestive tract propels the food bolus "forward" in the digestive tract.
Can the human body digest a metal swallowed?
yes if its not ponty or to big like a tiny marble u can swallow
What could cause you to get nauseated often?
It is important that you see a doctor. There may be a few possibilities such as migraines, diabetes, hypoglycemia, and pregnancy if you are sexually active. It is also possible that you may have some sort of thyroid imbalance.
