Digestive System 3c
The Product Factory
THE LIVER The chemicals and bile factory
This is the largest organ in the body 1.3 to 1.8 kilograms in weight, reddish brown in color and lies in the upper right side of the abdomen.
It receives one fifth of its blood from the heart and four fifths from the portal veins from the intestines. The blood from the heart is rich in oxygen.
The portal vein blood from the intestines is rich in absorbed nutrients from the food in the intestines.
The liver cells are arranged in lobules, with a central vein that takes blood back to the heart.
The hepatic artery portal vein and bile passage are outside this lobule.
The liver on receiving the nutrients, stores glycogen, and vitamins..
Prepares amino acids for use by body tissues.
It also manufactures body proteins like albumin and globulins.
The important function of the liver is the production of bile required for digestion.
Bile contains about 80% water, 11% of bile salt and 1% of bilirubin (bile pigments) derived from broken hemoglobin of the blood.
Liver disease like hepatitis causes the yellow pigments in bile to rise in the blood and cause jaundice.
Digestive System
Symptom to remember
- Discomfort or pain after meals
- Distension
- Vomiting
- Frequent stool blood in stool
- Constipation
- Bleeding with stools
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