epiglottis
The epiglottis is the flap that prevents food and water from entering the trachea.
Phospholipids in the cell membrane prevent water from entering a cell.
Phospholipids in the cell membrane prevent water from entering a cell.
Phospholipids
backward movement of epiglotis
Apoplast
The cell membrane or cell wall.
Phospholipids in the cell membrane prevent water from entering a cell.
Assuming you mean in plant life, it prevents dehydration through evaporation
The organ that branches off in front of the esophagus is the pharynx.
The epiglottis normally keeps this from happening.* How The Epiglottis Works:When you swallow, a small flap - called the epiglottis - briefly covers the top of the windpipe (or trachea) so that food goes the right way, into the digestive system, and not the wrong way, into the respiratory tract.The flap can't stay down all the time, or you would not be able to breathe! Sometimes a little food or liquid does get into the windpipe - perhaps if you ingest it very quickly - and that's when you cough to get it out again.When you swallow, the epiglottis should automatically cover the windpipe, so swallowing is a good way to suppress a cough if you are somewhere where you don't want to make a noise...
It's called the 'epiglottis'.