A cat flap is at the bottom of a door and it is used for cats to get in and out of the house instead of having to open the door every time.
The esophagus connects the pharynx to the stomach. In the conjunction between the pharynx, esophagus, and the larynx (windpipe), the larynx is covered by a flap of cartilage called the epiglottis to prevent food from traveling into the lungs. When this fails or closes too slow, the person experiences that the liquid/food "went down the wrong pipe".
bronchi
If you're referring to sphincters "guarding" entrances and exits, it means that these specific muscles close the structure to prevent backflow of body fluid. Ex: there is a sphincter between the esophagus and the stomach that "guards" the entrance to prevent the very acidic gastric juice from entering the esophagus and damaging the lining. The muscles around the eye and mouth can also be considered sphincters.
epiglottis
The lower esophageal sphincter guards the entrance of the stomach from the esophagus.
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Usually the cats stomach will feel very soft. This is because muscle tissue has been cut through (sort of like human surgery on the stomach area) and in tie, you will see a flap on each side of the stomach flap back and forth. It's normal. Marcy
That is the feline equivalent of the beer belly. When cats get overweight, and then lose weight, they develop a flap on their belly which can look alarming. This is particularly common in male cats.
The Lower Esophageal Sphincter.
The anagram is "epiglottis" - a flap in the throat that directs air to the trachea (to lungs), and food to the esophagus (to stomach).
Down, the flap that I think you're referring to is the epiglottis which closes of your respiratory airway when you swallow so food is directed down the esophagus instead.
Think of it as the valve or switch in your throat that determines whether things (food, air, water) go into your lungs or into your stomach.
Pyloric sphincter is located at the base of the stomach and is the contracting ring of muscle which guards the entrance of the to small intestine.
flap flap flap.
Epligottis Opens A Flap of Tissue and Covers the Lung and makes it go through the Stomach. Your Welcome :3
Rash guards were initially developed for Surfers to protect the chest and stomach from a rash. This rash develops when the chest and stomach rub on the waxed surfboard. Rash Guards are now made with a coating to protect from the suns harmful UV rays. They are ideal because they are comfortable to wear and dry quickly.