It all depends on what they have recently had in their mouth. However human being get the saliva in their mouth via the blood stream, any thing that goes through the blood stream is subject to the influence of the immune system A normal healthy human as a result produces saliva that is just about sterile. As is also the case with urine, Semen, tears and vaginal secretion etc.
saliva
Amylase is a type of carbohydrase enzyme. In humans it is produced in the pancreas.
Amylase is an enzyme that is made in the mouth of humans. It is specifically found in saliva and is used in digestion.
Saliva is a watery substance produced in the mouths of humans and animals. It is primarily composed of water, electrolytes, mucus, enzymes, and antibacterial compounds. While technically classified as a liquid, saliva is not typically referred to as "matter" in the same way as solids, liquids, and gases.
Saliva is not inherently "dirty," but it does contain bacteria, enzymes, and other substances that can vary in composition depending on oral health and hygiene. While it plays a crucial role in digestion and maintaining oral health, it can also carry pathogens if someone is infected. Therefore, while it's a natural bodily fluid, it’s important to maintain good oral hygiene to minimize harmful bacteria.
yes
saliva
no morning saliva is not harmful because it does not harm us in no reason when we get up in our mouth saliva is getting filled so that that is the dirty one so we must not swallow it we must spit it out.
Humans produce about 40,000 litres of saliva in a lifetime.
the dirtiness of the saliva boat area
On average, humans produce around 0.5 to 1.5 liters of saliva per day. Saliva plays a critical role in moistening food, aiding in swallowing, and initiating the digestion process.
Saliva is continuously secreted and swallowed involuntarily. The microorganisms are also swallowed and are destroyed in turn. But when you spit the saliva, it definitely looks dirty. And nice boys like you do not spit.
Saliva
because its dirty
2-4 pints
by throwing little ninja stars filled with their saliva at humans.
It usually is transmitted directly to humans from birds in their saliva or feces. It is very rare to begin with in humans and only rarely is transmitted from human to human. Birds transmit it to each other in feces and saliva and direct contact.