Immediately behind the mouth are the Salivary Glands, in most species these secrete saliva, generally a watery fluid that lubricates the food and contains a few enzymes to begin the processes of digestion.
(Immediately behind the mouth; are; the Salivary Glands, in most species) (generally a watery fluid; lubricates; the food) (generally a watery fluid; contains; a few enzymes; to begin the processes of digestion)
Immediately behind the mouth generally a watery fluid generally a watery fluid
are lubricates contains
the Salivary Glands, in most species
the food
a few enzymes to begin the processes of digestion