| Saliva or spit has negative connotations: it may be | | | | saliva. In addition to that, saliva is a natural |
| use to insult or express disgust against | | | | substitute to water. |
| somebody, or it may be associated with dirtiness, | | | | (4) It is a means to spit out germs from the |
| uncleanness, impurity, etc. But as it is, it has its | | | | mouth. Saliva, as 98% water, collects other |
| beauty and usefulness. Most animals posses | | | | chemicals and germs inside the mouth. Germs can |
| salivary gland for the purpose only nature and | | | | then be spit out through saliva. |
| evolution can tell. Snakes use their venomous | | | | (5) It helps detect cancer or other illness. |
| saliva to kill a prey and some birds utilize their | | | | Saliva testing using ELISA test kit helps you |
| saliva as glue to build their nests. Human saliva | | | | discover cancer cells and hormonal problems. It is |
| plays a vital role in digestion. These and other | | | | also useful in drug testing and in other medical |
| uses of saliva let us see the extraordinary other | | | | evaluations. |
| side of this trivial thing. | | | | (6) It makes kissing more intense. Lovers |
| (1) It initiates digestion. Saliva contains | | | | kiss in order to show their intimacy to each other. |
| enzymes that even break down chewed food at | | | | Saliva moistens the lips creating a delightful kissing |
| the molecular level. It also facilitates chewing; | | | | and romance. (One can even say that we all |
| imagine a dry mouth—it would be very hard to | | | | came from saliva.) |
| chew and swallow the food. It also helps the | | | | (7) It helps to turn the pages of the book. |
| tongue to taste. | | | | By licking one’s thumb, one can easily turn |
| (2) It protects the whole mouth. Saliva | | | | the pages of the book. |
| enzymes prevent bacteria from causing the teeth | | | | (8) It can help heal the wound. Animals like |
| to decay. It also lubricates the teeth; it also | | | | dogs lick on their wound to prevent it from |
| makes the tongue, gums, lips and the side of the | | | | bleeding. Does human saliva acts the same way |
| mouth constantly wet, acting as insulating material. | | | | too? Maybe. |
| (3) It is an indicator of dehydration. | | | | Usefulness is equivalent to beauty. Let us count |
| Dehydration may cause fainting. One way to | | | | the uses of human saliva and we can say that it |
| know that you are dehydrated is by feeling your | | | | is part of the overall beauty of nature. |