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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 two processes of digestion begins in the mouth how do they differ?
Salivary Amylase helps digest starch while in the mouth as a chemical digestion. Chewing is another form of digestion, but its mechanical
What is a example of a chemical change in the digestive system?
protein to aminoacids -> aminoacids to carbohydrates
Where do people go to the bathroom on a submarine?
On military vessels, the bathroom is called "the head". It is usually a tiny room large enough for one person and only with a toilet and sink. The shower is a separate tiny cell.
the pancreas
Did you mean emulsification in biological process the word means , the big droplets of fats gets digested in the small intestine this process is known as emulsification .
Where is the pylori sphincter?
The English name is pyloric sphincter (i.e. pylori has a c at the end). The Latin is sphincter pylori. This is a sphincter muscle at the lower end of the stomach controlling the amount of food being released into the duodenum.
How is the muscular system involved in digestion?
When food is ingested in the mouth, it is propelled towards the stomach then to intestines and to the anus by peristaltic movement of the muscles.
Without muscles, digestion will take couple of days to occur.
Food is propelled slowly through small and big intestine as most of the absorption of food occurs here.
Can you have a operation for a hernia with barrett esophagus?
Yes. As a result of long time GERD I had Barret and I had the surgery in 1999. Through the surgical procedure called Laparoscopic Fundoplication I fixed my LES and Hiatal Hernia. Before surgery I had Laser treatment on Barret which reduced it to almost nothing. I feel excellent ever since. Gastrointestinal specialist is the first good step for more info. Good luck.
What are chewing and churning types of?
Chewing and churning are types of mechanical digestion. The other type of digestion is chemical digestion, which involves the breaking down of foods via enzymes.
If you eat tomato and after digestion tomato skin remains undigested will this cause disease?
Not at all. Undigested tomato skin will pass harmlessly through the digestive system, and causes no disease.
Is digestion caused by acid or alkiali?
Digestion is basically brought about by Enzymes, HCl, acid helps in killing bacteria :)
No, unless there is chronic emesis as associated with anorexia or bulimia. Because it is acidic, there is a good Chance you will experience irritation or burning.
What are two mechanisms that control motility and secretion of the digestive system?
peristalsis and segmentation
What is the relationship between the surface area of the small intestine and the digestion of food?
I've heard that there are little hair like things that suck the nutrients out of the food inside the intestines. They are called villi. They are finger like structures that collect all the nutrients that have been collected before entering the small intestine!
Does age affect the stomach pH?
Yes, children normally have a higher pH due to reduce gastric acid secretion.
At birth pH is 6-8 due to amniotic fluid in the stomach, after a day or so this acidifies to around adult levels pH 1.5-3, it then rises again to neutral at around a week to 10 days and gradually lowers after 2-3 years to adult levels again.
pH levels in the elderly may also be higher
What cause your body to dump food after you eat?
Something called the gastrocolic reflex causes your intestines to move everything forward a bit when the stomach is stretched.
A diverticulum (plural diverticuli) is an outpunching through the muscular layer of the intestine. The condition of having diverticuli is diverticulosis, and inflammation of one or more of the outpouchings is diverticulitis.An abdominal, ventral, or inguinal hernia, in contrast, is the abnormal outpouching of the intestine or other organ through a weakness of the abdominal wall.
