it's a uvula
Cartilage rings prevent it from collapsing
The skin
Nonpolar lipid layers
Install air curtain
epiglottis
The larynx is only the passageway for air, as it is covered by the epiglottis to prevent food from entering it during swallowing. The pharynx, however, serves as a passageway for both food and air.
Cartilage rings prevent it from collapsing
yes it does...
nope.. the trachea
Monopoly and Oligopoly are two barriers that prevent firms from entering the marketplace.
prevent the tongue from blocking the pharynx
Shutting it.
prevent the tongue from blocking the pharynx
Epiglottis
no
Phospholipids in the cell membrane prevent water from entering a cell.
Phospholipids in the cell membrane prevent water from entering a cell.