Major functions of the Digestive System:
The major function of the digestive system is to digest and to absorb nutrients through what we eat
The major function of the digestive system is to digest and to absorb nutrients through what we eat
The mouth chews the food and the esophagus swallows down the mixture of food and saliva downward. Once in the stomach, Upper muscle in stomach relaxes to let food enter and lower muscle mixes food
with digestive juice. Small intestine preforms peristalsis then is moved further along the large intestine until it is pushed out the rectum.
Chief & parietal cells?
Chief cells are found in the stomach and responsible for releasing pepsinogen and chymosin. These digestive enzymes when in contact with acid caused by the parietal cells, cause digestion to begin.
If it was not for the alkaline layer of mucus on the inner lining of our stomach, well we wouldn't have one. The layer serves as a barrier from the digestive stomach acid and prevents it from deteriorating it.
Chief cells are found in the stomach and responsible for releasing pepsinogen and chymosin. These digestive enzymes when in contact with acid caused by the parietal cells, cause digestion to begin.
If it was not for the alkaline layer of mucus on the inner lining of our stomach, well we wouldn't have one. The layer serves as a barrier from the digestive stomach acid and prevents it from deteriorating it.
How it works with other systems??
The digestive system works very closely with the circulatory system to get the absorbed nutrients distributed through your body. The circulatory system also carries chemical signals from your endocrine system that control the speed of digestion.
The digestive system also works in parallel with your excretory system (kidneys and urination). While the digestive system collects and removes undigested solids, the excretory system filters compounds from the blood stream and collects them in urine. They are closely connected in controlling the amount of water in your body.
Fun Facts!!!!
Diseases
Gastroesophageal Reflux Disease (GERD) – Severe “heartburn” in laymen’s language. Weakness of the valve between the esophagus and stomach may allow stomach acid to reflux into the esophagus and irritate and inflame the lining.
Cirrhosis – Literally, “orange-yellow” in Greek. A degenerative disease of the liver that often develops in chronic alcoholics, but can have other causes. The name refers to the gross appearance of the organ.
The digestive system works very closely with the circulatory system to get the absorbed nutrients distributed through your body. The circulatory system also carries chemical signals from your endocrine system that control the speed of digestion.
The digestive system also works in parallel with your excretory system (kidneys and urination). While the digestive system collects and removes undigested solids, the excretory system filters compounds from the blood stream and collects them in urine. They are closely connected in controlling the amount of water in your body.
Fun Facts!!!!
- The average human being has over 400 different species of bacteria in their colon
- It takes approximately seven seconds for food to travel through the esophagus and reach the stomach
- An adult female’s small intestine is longer than the average adult male’s
- Paul Hunn, who lives in London, holds the world record for the loudest human burp
Diseases
Gastroesophageal Reflux Disease (GERD) – Severe “heartburn” in laymen’s language. Weakness of the valve between the esophagus and stomach may allow stomach acid to reflux into the esophagus and irritate and inflame the lining.
Cirrhosis – Literally, “orange-yellow” in Greek. A degenerative disease of the liver that often develops in chronic alcoholics, but can have other causes. The name refers to the gross appearance of the organ.