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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 there an adaptation for digestion?

Yes, digestion is an adaptation that allows organisms to break down food into smaller molecules that can be absorbed and used for energy and nutrients. This process involves different organs and enzymes working together to extract nutrients from food.

What is the medical term meaning examination of the bile duct structure using a needle to pass directly into an intrahepatic bile duct to inject a contrast medium?

The medical term for this procedure is "percutaneous transhepatic cholangiography" (PTC). It involves using a needle to pass through the liver to inject contrast medium into the bile ducts to visualize their structure.

What part of the gastrointestinal tract is responsible for 90 percent of nutrient absorption?

The lining of the small intestine is covered with tiny projections with many capillaries. The projections are called villi. Nutrients pass into the capillaries of the villi and then to other organs of the body.

What cells produce enzyme lipase?

Pancreatic acinar cells produce the enzyme lipase. Lipase is secreted by the pancreas into the small intestine, where it helps to break down fats into fatty acids and glycerol for absorption into the bloodstream.

Compared to the ingested food molecules the end product molecules of digestion are usually?

Smaller and simpler molecules that can be absorbed by the body, such as glucose, amino acids, and fatty acids.

What is the role is the role of the major enzyme associated with saliva?

The major enzyme associated with saliva is amylase, which helps break down carbohydrates into sugars during digestion. Amylase plays a crucial role in the initial stages of breaking down food in the mouth before it travels to the stomach and intestines for further digestion and absorption.

What is the product of digestion present in the baby food?

The product of digestion present in baby food is usually a combination of broken down macronutrients such as carbohydrates, proteins, and fats. These smaller molecules are easier for babies to digest and absorb for growth and development.

What happens to the acid when it leaves your stomach?

When acid leaves the stomach, it enters the small intestine where it is neutralized by bicarbonate secreted by the pancreas. This helps to prevent damage to the lining of the intestine. The remaining acid is further neutralized in the small intestine by alkaline secretions.

Irritation of the gastrointestinal tract by drugs or bacteria might stimulate which center of the medulla?

The vomiting center of the medulla oblongata is stimulated by irritation of the gastrointestinal tract by drugs or bacteria. This can trigger the reflex to induce vomiting as a protective mechanism to expel harmful substances from the body.

When water goes down the wrong tube and you begin to cough which digestive structure has temporarily malfunctioned?

When water goes down the wrong tube (trachea) instead of the esophagus, the malfunction occurs with the epiglottis. The epiglottis is a flap that normally covers the trachea when swallowing to prevent food or liquid from entering the airway. If it doesn't close properly, aspiration can occur.

Enzyme that digest proteins?

Proteases are enzyme that digest proteins. In stomach we have proteases such as trypsin, pepsin and chymotrypsin that digest proteins. In addition there are peptidases that digest the peptides to simple amino acids.

Does The ENT system shares some structures with the gastrointestinal system and the respiratory system?

Yes, the ENT (ear, nose, and throat) system shares structures with both the gastrointestinal and respiratory systems. The throat, for example, is a shared structure as it is part of both the respiratory and digestive tracts. The nasal cavity also plays a role in both the respiratory and ENT systems, as it is involved in both breathing and olfaction.

What are the five accessory organs of the gastrointestinal system?

The five accessory organs of the gastrointestinal system are the liver, pancreas, gallbladder, salivary glands, and appendix. These organs play important roles in aiding digestion and the absorption of nutrients in the body.

What would be the result of Benedict's solution on boiled amylase?

Because amylase, being an enzyme, is a protein, these molecules will not give a positive result in testing with Benedict's solution.

This reagent is devised for testing sugar solutions (like sucrose), which MAY be formed at the amylolytic breakdown of starch (amylose, amylopectin). This breakdown can NOT occur when boiled enzym molecules are used (because of inactivation by denaturation of the protein structures).

In which portion of digestive system are there no secretion or digestion?

There is no secretion or digestion in the esophagus. It is a muscular tube that connects the mouth to the stomach and serves as a passageway for food to travel down to the stomach through a process called peristalsis.

How many cytochrome P450 are there in the body?

There are over 50 different cytochrome P450 enzymes in the human body, each with specific roles in metabolizing various substances including drugs, toxins, and endogenous compounds.

What macromolecules is first broken down in the stomach?

Proteins are the macromolecules that are first broken down in the stomach. The enzyme pepsin helps to break down proteins into smaller peptides.

Nutrient in which protease enzymes act on?

Proteases breaks-down proteins into peptides & amino acids

Can Adderall cause gastrointestinal bleeding?

Although most pharmaceuticals suggest food with meds, adderall and its other forms do not have GI bleeding as a side effect. However, every pill is a concentrated dose and acts like a sponge in your system. Try eating more regularly and properly, considering that you drink more water than individuals who do not take meds to focus. But most importantly, write your intake down and bring to your physician for proper care.

Mike Labs, llc

Which condition is the absence of hydrochloric acid from gastric secretions?

Achlorhydria is the condition characterized by the absence of hydrochloric acid in gastric secretions. It can lead to impaired digestion and increased risk of gastrointestinal infections. Treatment may involve supplementation with hydrochloric acid.

In biology Where food is digested the food?

Food is digested in the gastrointestinal tract, starting in the mouth where enzymes begin breaking down carbohydrates. In the stomach, acids and enzymes further break down proteins. The majority of nutrient absorption takes place in the small intestine, where enzymes from the pancreas and bile from the liver help break down fats, proteins, and carbohydrates into molecules that can be absorbed by the body.

How long can it take for a full stomach to empty?

It can take around 4-6 hours for a full stomach to empty its contents into the small intestine for further digestion and absorption. This process can vary depending on factors such as the composition of the meal, individual metabolism, and stomach emptying rate.

In biology what has digestive enzymes and breaks down particles?

If you are looking for an organ directly involved with food we eat, it would be the small intestine (with small amounts in the stomach and large intestine, but the primary function of the small intestine is this).

If you are talking chemicals (medicines or the stuff we get out of food) the most common site is the liver, but it is by no means the only site.

How can poisonous mushrooms cause cirrhosis?

I am not a doctor but I have been mushroom poisoned.In 1995 I was 20 years old and I ate the steam of this big purple mushroom.Stupid decision.I vomiting so hard on an empty stomach.I also vomiting some bile up that taste very nasty.I could not eat hardly anything the next day.I read it can enlarge your liver.When that happens the liver shrinks and scared which can lead to cirrhosis.