Is saliva a body fluid?

Almost everyone has saliva. Saliva is also a body fluid and has certain significance for human health. Saliva contains carbonates, proteins, amylase and other substances, which can protect teeth, clean the mouth and prevent bacteria. In addition, saliva has certain health-preserving effects. Next, I will introduce you to some relevant knowledge about saliva!

1. Advantages and disadvantages of saliva

Advantages of saliva: The carbonates, phosphates and proteins it contains can provide chemical protection for teeth; the amylase it contains can aid digestion; its ingredients can fight bacteria; it can clean the mouth; cancer and AIDS can be detected by testing saliva.

Disadvantages of saliva: Saliva can also spread diseases through the human body carrying germs.

2. The role of saliva

1. Moisten the mouth and food to facilitate speaking and swallowing;

2. Constantly remove food particles from the taste buds so that you can continue to taste the flavor of the food;

3. Clean and protect the oral cavity;

4. Antibacterial effect;

5. Convert starch in food into maltose.

3. The health-preserving effects of saliva

Saliva has eight functions for human health:

The first is the hemostatic effect: saliva can promote blood coagulation, and saliva can help stop bleeding when bleeding occurs due to oral trauma or tooth extraction.

The second is the lubricating effect: saliva contains mucin, which can make the mouth lubricated and soft.

The third is the flushing effect: it can flush away food residues to keep the oral cavity clean and hygienic.

The fourth is the dilution effect: when sour, bitter and other irritants enter the mouth, saliva secretion increases, diluting them and making them easier to spit out or swallow.

Fifth, antibacterial effect: various organic and inorganic components in saliva produce certain antibacterial effects through different mechanisms, which can prevent inflammation of the mouth, throat and gums.

Sixth, it has a healing effect: There is a nerve growth hormone in saliva, which can significantly shorten the wound healing time and accelerate the healing of burned skin.

Seventh, the digestive function: saliva contains a large amount of amylase, which can hydrolyze starch into maltose, making it easily absorbed.

Eighth, it has anti-aging effect: saliva contains a "salivary parotid hormone" which can keep people young, make people smart, have strong teeth and strong muscles, so that even in old age, people will have rosy complexion and remain youthful and energetic.