The process of digestion and the factors which affect the digestion process
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We'll be talking about these items in this video:
- What is digestion?
- How do foods digest?
- What is the digestion process?
- How long do foods stay in the stomach?
- What are the different parts of the digestive system?
- What is the digestive system?
- What is the most important part of the digestive system?
- How to fix the digestive system?
- How does the digestive process work?
- How do the foods digest?
- Which foods digest longer?
- Which drinks digest longer?
- What are the important factors in digesting foods?
- Which part of the digestive system is the most important one?
- Which foods have a negative impact on the digestive system?
- How to improve the digestive system?
What is digestion?
The digestion process breaks down food into its components called nutrients that the body can use to function. Food passes through the digestive tract, which is made up of different organs that work together to digest food.
The digestive system is made up of five parts that include:
Mouth
Esophagus
Stomach
Small intestine
Large intestine
Digestion typically begins in the mouth when you start chewing the food, which mixes with your saliva and makes it easier to swallow. However, the real digestive process starts in the stomach where the food mixes with water and various digestive enzymes from the pancreas and liver. Then the food passes into the small intestine, where the water and nutrients are absorbed. After that, the large intestine takes care of the remaining waste, which is expelled in the movements.
Mouth
The first stage of digestion happens in your mouth as you eat. While you chew, your mouth releases saliva that contains enzymes in charge of the initial breakdown of the food you eat. The enzymes help turn the food into a soft and mushy mass you can swallow easily. This is a very short phase, usually lasting no more than 20-30 seconds per bite. In the case of soft food, it might take even less time.
Esophagus
When you swallow food, it enters the esophagus, and it doesn’t stay there long. Nothing major happened in this phase, as it is a transitional one. At the bottom of the esophagus, there is a muscle, the esophageal sphincter, which acts as the gate between the esophagus and the stomach.
Stomach
The stomach phase is significantly longer than the previous two combined, but how long does food stay in your stomach, exactly? Experts at Colorado State University have determined, based on a series of studies and tests, that the stomach phase takes between 4 and 5 hours on average. The acids in your stomach break the food down even further, preparing it for the final stages. The mixture of the partly digested food and stomach acids is called chyme.
Small intestine
After the chyme leaves the stomach, it enters the small intestine. There, your liver and pancreas take the stage. The pancreatic juices are in charge of breaking down proteins, fats, and carbohydrates, while the liver bile deals with fats. After this, water, vitamins, and other useful nutrients are transported directly to the bloodstream via the small intestine walls. All that’s left undigested after this phase goes over to the large intestine.
Large intestine
The large intestine is the last checkpoint before the food is ready to leave your body. This is also the longest phase of the entire process. It is not unusual for the food to sit in your large intestine for an entire day or even two. Following an extensive study, scientists at Mayo Clinic have found that the average duration of this phase is 40 hours. More precisely, 47 hours for women and 33 hours for men. When this phase ends, all that’s left undigested moves and forms into solid waste – commonly named stool. It sits there until your next movement.
Consistency
Liquids typically leave your stomach quickly. For example, after you drink a glass of water, it’s estimated that only 50 percent of it will be left in your stomach after 10 minutes. Solid foods often need to be broken down and liquified further, which means they usually take longer to leave your stomach. In fact, it usually takes about 20 to 30 minutes before solid foods begin to leave your stomach.
Calorie content
Regardless of consistency, foods and drinks that have a lower calorie content generally leave your stomach at a faster rate. Higher calorie foods and drinks will take longer. For example, while water leaves your stomach at a fast rate, a higher calorie liquid such as a glass of fruit juice or a milkshake will exit more slowly.
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How Long Foods Stay In Your Stomach?
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