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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

Is breaking down nutrients the function of your digestive system?

no that is what enzymes do to particles of nutrients wich are to big to digest.

some particles are taken into the blood vessels to be taken to somewhere else. is that the answer U wanted? :)

What does the cardiac sphincter do in the digestive system?

Answer Contractions of the muscles move the Bolus to a Valve called the CARDIAC SPHINCTER VALVE where the Esophagus joins the Stomach.? The Sphincter allows food to pass into the stomach but usually NOT Letting it move Back Up into the Esophagus. This therefore prevents gastroesophageal reflux disease (gastric reflux)

What do after having your appendix removed?

When the appendix is removed it is usually due to appendicitis. The doctor will recommend that you do not lift heavy objects for 6 weeks, and not allow the stitches to get wet.

Which organ in your body is where food is churned up with srong acid here enzymes digest protein?

The organ where food is churned with strong acid and where enzymes digest protein is the stomach. In the stomach, gastric juices, which contain hydrochloric acid and digestive enzymes, break down food into a semi-liquid form called chyme. This process is essential for the digestion of proteins and prepares the food for further digestion and absorption in the intestines.

What can you make a human digestive system model out of?

Clay- 7 different colorsjelly beans-4

transparent tubes

funnel for d mouth

a large balloon for d stomach

What breaks down food in your stomach?

The stomach breaks down food with gastric acid, also known as stomach acid. Gastric acid contains hydrochloric acid. In addition, the stomach performs some mechanical breakdown of food.. Food enters the stomach where it is further broken apart and thoroughly mixed with gastric acid, pepsin and other digestive enzymes to break down proteins.

What would be the effect of low blood protein levels on the colloidal pressure?

If blood protein levels become low, then there will be a decrease in colloidal osmotic pressure. This in turn can cause side effects in the body like edema and muscle degeneration.

Why do emotions such as anger or fear slow digestion?

Emotions such as anger and fear will cause the hormone adrenalin to be released by the adrenal glands. Adrenalin affects the body in many ways; primarily it prepares the body for "fight or flight" increasing heart rate, blood pressure and breathing rate. Similarly, adrenalin causes reverse effects to other bodily functions which are decreased or slowed; such as digestion. By slowing or completely stopping digestion, the body will conserve energy to be used in defending against a threat or running away from it.

What are the answers to the human digestive system worksheet from wwwbogglesworldeslcom?

food, energy, digestion, system, mouth, chewed, tongue, saliva, swallo, esophagus,pharynx,stomach,acid, small intestine, absorbed, liver, large itenstine, liquids, waste, rectum

Can humans digest grass?

No I once tried it and just pooped it out... seriously my poo was florescent green! Chlorophyll is found in plants, and plants and humans are very much different. If you don't believe me buy some and let the colourful poo flow through you. ;)

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.

Why does amylase work in the mouth but not the stomach?

Because of enzyme specificity, enzymes require certain temperatures and pH's to work. Now I don't think there is a temperature change, but there is most certainly a pH change as the mouth has a near neutral pH while the stomach has a more acidic pH of about 2-3.

What enzyme starts the digestion of carbohydrate?

How We Digest Carbohydrate

In simple terms, our digestion system - from the mouth to the small intestine - is designed to break down disaccharides and polysaccharides into monosaccharides. This metabolism of carbohydrates is achieved through the secretion of a number of digestive enzymes into the gastrointestinal tract (especially in the duodenum) where they attack carbohydrates and gradually convert them into simple sugars like glucose so they can be absorbed into the blood. Digestive enzymes are like biological scissors - they chop long starch molecules into simpler ones.

In the Mouth

The process of digesting carbohydrates begins in the mouth. Our saliva contains an enzyme called amylase that starts breaking down the more complex carbs into simpler types.

In the Stomach

Enzyme activity continues in the stomach, but slows down significantly as digestive acids are released into the stomach by the glands.

In the Small Intestine

Another version of amylase is secreted by the pancreas into the duodenum (first section of small intestine). This cuts down carbohydrates into simple sugars - maltose, lactose and sucrose. As the carbohydrate passes further into the intestine, the enzymes maltase, lactase and sucrase chop maltose, lactose and sucrose into smaller bits, more easily absorbed, which are eventually converted to glucose and absorbed through the intestinal walls into the bloodstream.

Glucose Metabolism By The Liver

After carbohydrates are duly broken down into glucose, in the duodenum and jejunum of the small intestine, the glucose is absorbed into the bloodstream and taken to the liver, where it is stored or distributed to cells throughout the body for energy. In this way, the liver regulates blood glucose levels to provide sufficient energy for the body. For example, excess glucose (a cause of hyperglycemia) is converted in the liver to glycogen (glycogenolysis) in response to the hormone insulin, and stored. Likewise, if blood sugar levels fall, (eg. between meals), the glycogen is re-converted to glucose (glycogenolysis) in response to messages conveyed by the hormone glucagon, to prevent hypoglycemia. If glycogen levels are exhausted, glucagon can trigger the formation of glucose from some amino acids (protein) or glycerol (fats) - a process called gluconeogenesis.

What Determines Speed of Carb Digestion

Generally speaking, the speed of digestion is determined by the chemical nature of the carbohydrate itself, and thus how "resistant" it is to the activity of the enzymes. A simple sugar is much less resistant than a starch, and is digested or metabolized much faster. Things that slow down digestion include: the presence of acid (from gastric juices or the food itself), and the presence of soluble fiber.

What are some enzymes found in the digestive system?

Pancreatic amylase

Lipase

Pepsin

Salivary amylase

Maltase

Rennin (younger version of pepsin mostly found in babies)

What organ in our digestive system produces bile?

Bile is made by liver cells (hepatocytes) and stored in the Gall Bladder

How long is a hamster digestive system?

A hamsters digestive system takes about 10 mins

What is the name of the enzymes present in the saliva and what type of food it acts on?

Salivary amylase. This enzyme helps to turn starch into a sugar called maltose...when your food gets into the small intestine, more amylase is made by the pancreas also.

Another enzyme called maltase, turns all this maltose into glucose. Glucose is then absorbed into the blood.

Why do i vomit black?

Because it is a mild poison and you have had too much of it. You body therefore rejects it.

How is digestion affected by the weather?

The temperature of the food does not matter, because your body will warm it up or cool it down for your digestive system to do its work. Asian people prefer to have a warm liquid before a meal to aid in digestion and that makes sense if you think about how that might prepare it to secrete mucus and digestive juices. Very hot or very cold liquids may shock the stomach and cause digestion to be disrupted.

Physical process of breaking down large fat globules into smaller parts?

Emulsification by bile breaks up the fat into smaller particles. This process increases the surface area that can be acted upon by digestive enzymes like lipase.

What parts of the digestive system does food not pass through?

Almost any organ you can name does not touch the food: heart, pancreas, gall bladder, brain, eyes, prostate gland, kidneys, liver, lungs, genitalia. None of these come in contact with the food.