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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 the rectum and the anus mechanical or chemical digestion?
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Which part of of your digestive system is like mixer?
The greatest amount of active mixing takes place in the mouth.
Main purpose of mechanical digestion?
Increase available surface area of food, to increase more sites for enzyme activity and hence quicker digestion
Does the small intestine absorb water and alcohol and initiate protein breakdown?
The breakdown of protein initiates in stomach by the action of the stomach acid.
What is the role of the vagus nerve in regulating digestive activity?
Salivation is entirely under nervous control. Some saliva is secreted continuously in response to parasympathetic stimulation via the vagus nerve. The presence of food in the mouth stimulates the salivary glands to increase their secretions. This response operates through a simple cranial reflex via the vagus nerve. The smell, sight, and thought of food also stimulate salivary secretion.
The vagus nerve (working via the parasympathetic division of the autonomic nervous system) also activates the enteric nervous system. The ENS is responsible for motility, digestion, and secretion (such as HCl, gastrin, histamine in the case of the stomach) throughout the GI tract.
What contains enzymes that digest organic materials?
Organisms that break down dea organisms and food are called decomposers. Some examples of decomposers are mushrooms, bacteria. decomposers sometimes eat road kill, thats why there is a really bad smell!
When amylase breaks down starch what does it release?
amylase breaks starch down and releases maltose from which maltase breaks it up into two glucose molecules
What foods are bad for digestion?
Some foods that are bad for our digestive system are those that are poisonous, as well as highly acidic or highly alkaline.
Other foods may be very hard to digest for some people. Any food that upsets the natural balance in our gut is bad. Some foods, like milk and milk products contain lactose, which for some people can cause gastric distress.
What comes first in the digestive system?
The simple answer to that is the Mouth as it mechanically and chemically digests food (via saliva and teeth).
How many times does a human pass gas daily?
The average person passes gas 10 to 15 times a day. This amounts to about 1 to 3 pints (0.5 to 1.5 liters) of gas a day.
What part of the body doesmost chemical digestion take place?
In your stomach. In mouth, stomach and small intestine.
What is a soft of chewed food ready to be swallowed?
A soft mass of chewed food ready to be swallowed is known as
What is a secondary organ to the digestive system?
All of it except the appendix. But you have to take care it
What is the involuntary muscle contraction that moves food through digestive system?
Yes, involantary muscles move food through the intestinal tract.
What is the portion of gastrointestinal tract that absorbs water?
The large intestine is responsible for absorption of water.
What does the jujunum do in the digestive system?
The jejunum and the ileum are suspended by mesentery which gives the bowel great mobility within the abdomen. It also is wrapped by smooth muscle that helps to move food along by a process known as peristalsis.
How is food broken down mechanically and chemical in the mouth?
Enzymes break down the food in the mouth so you take all the nutrients.
Why is the small intestine to the digestive system?
we need small intestines so we can keep the nutriants in our body
