I believe what your talking about is a respirator.
they are called salivary glands that helps lubricate the mouth to prevent dryness.
The gill covers will open and close the same amount of times that the fish's mouth opens and closes. This happens normally as a part of a fish's respiration.
It is called a delta.
I think its called the 'summit' Crater....
The name given to soil deposited at the mouth of a river is called silt. The mouth of a river is called a delta.
it is called a prosterium.
A GREAT WHITES MOUTH ITS JAWS EXTEND OUT OF ITS MOUTH WHEN ATTACKING, THIS IS TO PREVENT ITS LIPS FROM GETTING CUT
they are called salivary glands that helps lubricate the mouth to prevent dryness.
they are called salivary glands that helps lubricate the mouth to prevent dryness.
A mask that a doctor uses is called a surgical or procedure mask. It covers the mouth and nose to prevent the patient from getting an infection. It also keeps the doctor from breathing in anything harmful.
Pioneers wore bandanas over their mouth to prevent dust from getting it into their body's. Hope that helped:)
humming birds
-Skin -Breathing Passages -Saliva -Bacteria in your mouth. Good luck! Hope I helped. :)
The garment in question is called an abaya. It is combination of the hijaab (which covers a woman's hair) and a niqab (which covers a woman's mouth).
That is the Jain belief, or 'religion'. It is an offshoot of Hinduism. People who practice that faith are called, "Jainists".
It could. The mouth guard can help by taking pressure or force away from the brain area. But mouth guards are made specifically made to help prevent any kind of mouth injury. You shouldn't wear a mouth guard to try to prevent a head injury.
Shutting it.