How Does The Salivary Glands Work In The Digestive System
Imagine that you eat lemon or other bitter fruit. Do you feel that your mouth full of saliva?
It’s one of the interesting features of our salivary glands. They do not secrete mechanical, but are controlled by the brain. There are three pairs of salivary glands. One pair was in front of the ears and the other under the tongue and a third below the bottom of the oral cavity.
Salivary glands automatically adjust the quantity and quality of saliva to the task that immediately ahead. The largest human salivary glands excreted during the life of around 28,000 liters of saliva!
Each pair of salivary glands has its own task. The biggest, parotid gland, which is located in front of the ear, secretes large amounts of watery saliva. The main task of this saliva that dissolves and well soaked food. Gland beneath the base of the mouth secrete other types of saliva, which makes food “slippery”.
What salivary glands produce saliva most dependent on the food we take. If you eat a juicy apple, which is not necessary to moisten, will begin to secrete lower salivary glands. But, if we eat dry bread, starting to work parotid glands, which secrete large amounts of watery saliva.
5 Facts about Saliva
No.1) Introverted people secrete more saliva.
No.2) With DNA analysis saliva can reveal how old are you.
No.3) With DNA analysis saliva can provide information about exposure to stress.
No.4) Exposure to saliva increases immunity. Once our ancestors, and now members of many primitive peoples, chewed food and giving it to children. By studying the habit, researchers found that the mother’s saliva increases the immunity of the child.
No.5) Saliva is your genetic blueprint. Half a drop of saliva is enough for a good DNA sample. The samples can be frozen and studied several times.
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