The flap of skin that shuts off the passage to the lungs is called the epiglottis.
The flap of skin at the elbow is called a wenus.
The epiglottis is a flap of tissue that closes over the trachea when we swallow to prevent food and liquids from entering the airway. Its main function is to direct food and liquids into the esophagus, which leads to the stomach, instead of the trachea, which leads to the lungs.
A white skin flap on the side of the tongue is often an inflamed taste bud. The white flap may also be a canker sore.
uvula
The epiglottis - is a small flap of skin that covers the entrance to the wind-pipe. It's function - is to stop food going down into the lungs, instead of the stomach.
It is excess skin.
it is called a prosterium.
Bum flaps are a flap of skin on wrinkly butts.
Eyelid perhaps.
The flap of skin attached to the gums and chin inside your mouth is called the frenulum. It helps to connect and stabilize the lips and tongue.
Lungs
farmers have genetically altered the original perception of turkeys. the reason for this is that the "flap" of skin is edible for human consumption and apparently tastes very nice so the farmers can get even more money for selling that flap of skin