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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
How does a cheese and ham sandwich go down in your digestive system?
The same as any other food.... by you swallowing it.
Why does food take so long to digest?
Protein. Protein needs to be broken down into amino acid chains, and those chains need to be broken down in order to be absorbed by the body. Carbs are basically simple sugars used for energy.
What directs chewing food down the tube located in the throat?
uvula
There are three steps to swallowing food effienctly .
1) During the first stage of swallowing, your tongue moves the food around your mouth so that it can be chewed. Chewing helps to break food down into smaller chunks, while mixing it with saliva. Saliva makes the food moist and easier to swallow.
2)Your tongue pushes food or liquid to the back of your mouth. The nervous system triggers the swallowing reflex, activating the muscles that push the food down your throat towards your oesophagus (tube running from the throat to the stomach). During this phase, the larynx (voice box) closes in order to prevent any food or liquid from entering your lungs.3)Food or liquid enters your oesophagus. In a healthy person, muscles quickly move the food or liquid through the oesophagus and into the stomach.Where is the bile produce which components of food does it help to digest?
it is produced in the liver.it helps breaking fats into smaller bits called emulsification of fat.
Do humans have a complete or incomplete digestive system?
Humans have a complete digestive system.
Incomplete Digestive System: one opening that takes in food and expels waste
Complete Digestive System: two openings and a food tube to make sure there is no mixing of food and wastes.
Are teeth an important part of the digestive system?
Absolutely! Without teeth, the varieties of food we could eat would be extremely limited. Nothing hard, crunchy, or bigger than a dime.
That eliminates most fruits and vegetables, fiber, and meats are pretty much out of the question. Consequently, our nutritional status would not be what it is.
A study published several years ago indicated that people who wear full upper and lower dentures (edentulous) have a life expectancy five full years less than people with all natural teeth. The authors speculated that the difference was a result of lower nutrition in those who had dentures.
If you want to know how limiting having no teeth would be, spend a week only eating those foods that you can suck through a straw. If you want, go ahead and use an electric blender. See how yummy bacon and eggs taste after passing through a Cuisinart.
What happens to Bacteria that make it into the digestive tract?
Bacteria begin to colonise the gut soon after birth, they play a key role in training the immune system to recognise pathogenic and non-pathogenic bacteria. Just having the bacteria there prevents other pathogenic species from taking up the same space and so prevents some diseases. They also produce some vitamins notably biotin and vitamin K and some ferment carbohydrate foods which we could not other wise digest turning them in to short chain fatty acids.
Is the liver considered an accessory organ of digestion?
Although you cannot live without your liver, it is an accessory organ for the digestive system. For the digestive system it makes bile which helps to break down fats.
What are the three digestive enzymes that break down carbohydrates fats and proteins?
Complex molecules are broken down into simple molecules by the action of specialised proteins called enzymes. The three digestive enzymes are:
- amylases, which act on the carbohydrates
- proteases, which act on the proteins
- lipases, which act on the lipids
Does digestive system help glucose enter all body cells?
The digestive system helps to maintain glucose levels in the blood in various ways. This is done mainly through the pancreas which will release glucagon that will help insulin to maintain the normal glucose levels.
A lack of peristalsis is sometimes called a motility disorder. This means that there is no movement in the bowels which is sometimes caused by an obstruction in the intestine.
What does the digestive system and circulatory system have in common?
The nervous and muscular system are synchronized to respond to each other. The nervous system creates some impulses which make the muscular system respond in order for them to move.
How does a dolphins digestive system work?
An elephant's digestive system is the most unique of all animals'. Their stomachs are so large, therefore causing them to be able to consume tons of food each day. After the food enters their throat, it travels down to their stomach and then enters their esophagus. It is chopped up by tiny parasites living there and is then eaten by them. Therefore they do not produce any waste after eating.
What are the two main functions of the digestive system?
The digestive main functions are:
ingestion (the taking of the food via the mouth. digestion- the mechanical and chemical break down of food by chewing and enzymes. absorption- food passes through the intestinal wall into the blood system and elimination- the removal of indigested waste
Do the esophagus use muscles to move food to your stomach?
as it is usual the esophagus has 4 layers in histology this are mucosa containing the stratified squamous non keratinized epithelium,lamina propria and muscularis mucosa a layer of the smooth muscle.then the sub mucosa,then finally the muscularis externa its structure in different parts correspond to swallowing
making the muscular structure differ :
upper third-striated muscle
middle -both smooth and striated muscle
inferior third -predominantly smooth muscle
the esophagus is covered by the adventitia
Which of these organs does not have hormone production?
Endocrine organs produce hormones. Examples of endocrine organs are the thyroid, ovaries, testicles, and adrenal glands.
Digestive System main function?
for horses and any other animal, the digestive track gives nutrience to the body, thus food
Where is the waste stored before it leaves the body?
Liquid waste is stored in the bladder and solid waste (feces) is stored in the colon.
The lower part of the large intestine is called the Rectum, the final straight portion leading to the Anus.
The second letter is e and the fourth letter is t so it is Rectum.
