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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 are the major parts in the digestive system?

THE MUCOSA LINING is the most important component of the gastrointestinal tract. If healthy, it allows a safe environment for the functioning of all aspects, which may range from being a homebase to the protective friendly bacteria to being a safe haven for where absorption of nutrients can take place, to being a protective lining that prevents unnecessary damage to the underlying connective tissue.

What do fungi secrete to digest food?

Fungi use extracellular digestion. They must obtain preformed organic molecules (nutrients) from the environment. The fungus will secrete enzymes to hydrolyze complexes into simpler molecules - which are then absorbed. Once inside, the simpler molecules can be used for energy or to synthesize larger molecules.

How does the articulatory system work?

When sounds are produced, all the 3 systems work together. Air is pumped out of the lungs (respiratory system) and it passes through the vocal cords (laryngeal system) and reach the oral cavity (articulatory system) and finally sounds are produced. So in this way all the 3 systems work together.

Why do you take Milk of Magnesia for indigestion?

Milk of magnesia, Mg(OH)2 is used to cure indigestion because it is basic and indigestion is acidic.

What kind of polysaccharide cannot be digested by human beings?

Humans cannot break down cellulose because it contains beta glucose and the enzymes that humans have cannot break down beta glucose.

Can humans digest fructose?

Yes, fructose, the sugar found in fruits, is a carbohydrate that can be digested.

Is salivary amylase mechanical or chemical digestion?

no, amylase is for carbohydrates. For proteins it's protease :)

Which glands help digest starch?

Glands aren't responsible directly for the breaking down of starch. The enzyme that is responsible for the digestion of starch is amylase. This enzyme is produced by the salivary glands in our mouth - salivary amylase. It's also made by the pancreas - pancreatic amylase.

What fruits contain enzymes that will digest protein?

Hi,

Fruits can be a good source of protein, though they tend to provide less than vegetables, beans, and legumes. When looking for protein, dried fruits and berries are best. Peas, beets, banana, apricots, nuts, corn, lentils, blackberries etc.

Are the digestive systems of a rabbit different from humans?

Yes, rabbits do have a different digestive system from humans. They are herbivores so they possess a much longer large intestine for digesting cellulose while humans being omnivores lack this feature.

Where does the blood get the oxygen and digested food that it delivers to the different parts of the body?

From what I remember of secondary eduation i think the nutrients and oxygen from the food turn into enzymes in the intestines and them they are absorbed through the wall of the intestines and into the bloodstream. Hope I helpd! =)

What produces juices that that contain digestive enzymes and neutralizes acid?

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Where does chemical digestion first occur?

Digestion starts in the mouth, with the teeth, then goes down the esophagus (when you swallow) and is churned with more chemicals added in the stomach. It then goes into the large intestine, the small intestine, and finally it is put into the bladder for storage until eliminated through urine or feces through the anus.

Why is peristalsis important to the stomach?

Peristalsis also occurs in the stomach so that it can mix the food together with stomach juices and move the partially digested food into the first part of the small intestine (known as the duodenum).

Does tongue help in mixing food with saliva?

The tongue doesn't necessarily help with digestion, but the enzymes produced in the mouth by the salivary glands, called amylase, so help to break down food into smaller molecules that can be absorbed more easily. The teeth also help to break down food.

Where does the food that cannot be digested go?

The food that cannot be digested goes to the large intestine.

Do babies go to the bathroom in your tummy?

Babies do not need to defecate (pass bowel movement) in the womb. The waste goes through the cord to the mother's bloodstream and to the kidneys. The first bowel movement occurs after birth unless the pregnancy goes on too long.

Are food absorbed in the mouth?

The mouth and mouth-nose can absorb a variety of things. For example, the mouth-nose absorbs odors and smells. Sometimes an odor can be so strong, for example, perfume, or a cleaning agent, that people report "tasting" the odor.

Many medications are given sublingually, meaning, under the tongue. Placed under the tongue, medication is absorbed rapidly and dissolves with saliva. Nitroglycerin for angina is one such medication. Oral glucose gel or tablets (or plain white sugar) dissolves rapidly when placed in the cheek (buccally) for rapid absorption and a resulting increase in circulating blood sugar.

The muscles and tissues in the mouth can absorb topical dental medications and injections. For example, dentists use a product to stop bleeding; the product has a strong odor and taste and the effects of some dental medications can affect more than the mouth.

And, obviously, the mouth "absorbs" tastes as we eat and drink through various taste buds on the tongue.