The gag reflex is found in all mammals, including humans. It is also present in some other animals, such as birds and reptiles. In animals, the gag reflex is used to protect them from choking on food or other objects. It also helps to keep the throat clear of mucus and other debris.
The gag reflex is a vital safety mechanism that helps to protect animals from injury. It is a natural response that is present in all healthy animals.