the epiglottis closes over the glottis in a reflex action when food is swallowed. This prevent food from entering the respiratory system
There's a flap called the epiglottis that blocks the entrance to your windpipe and leads food into your esophagus.
Umm.. you didn't give any choices. But whatever, the epiglottis
A thin flap of cartilage called the Epiglottis.
The epiglottis.
Epiglottis
Install air curtain
You can't let it get in when you are breathing from it, but you can get it into your tank if you don't keep your cap on your tank. Another way is from pressing the button on your second stage, so it can get into your tank.
When you inhale, the air you breathe in is cleaned by cilia in your trachea. This helps remove dust and other pathogens from the air when it is on its way to your lungs
Leave it unwrapped and exposed to the air ... if you want it to just get stale, the air should be relatively dry. If you want it to get moldy, the air should be moist, and you should keep it in a dark environment.
Because the food itself will still have air in it.
pharynx
This food will keep for about 5 days in the refrigerator. Place the food in an air tight container for the best results. This food can easily be transferred to the freezer for longer storage time.
Food preservation is a way to keep food edible and healthy.
Some air duct companies will offer a chemical biocide to clean the inside of your ducts to kill bacteria. However, there are no recommended cleaners registered in the EPA. The best way to keep them clean is prevention of water and dirt from entering them.
The pharynx
Esophogus
To keep rodents from entering through a pet door, use a latch to keep pet doors closed when they are not being used. Another way to fix the issue would be to put a foul smelling pheromone around the door.