Saliva is a very important secretion of the human body. It has many important functions and is used in medical diagnostics. Thanks to it, it is possible to determine the level of steroid hormones, the presence of drugs, addictive substances and alcohol in the body. Saliva is also used in the diagnosis of certain diseases. It is also of great importance in forensic research.
Saliva is the natural environment of the oral cavity. It is produced by the salivary glands, which are located in different parts of the body.
Saliva is composed primarily of water and organic ingredients. Saliva also includes serous exudate, gingival discharge, nasal and throat secretions, microorganisms, food debris and exfoliated epithelial cells.
Saliva is essential for functioning - it supports initial digestion, helps to break down food, and is responsible for maintaining the correct pH in the mouth.
These aren't the only facts about saliva though. Take the test and check if you know them all.