Multiple choice In ruminants, what happens in the omasum? Water is squeezed out of food Foreign objects are caught Hydrochloric acid and enzymes aid the breakdown of food The large majority of fermentation Reveal answer Fill a bubble to check yourself A Correct answer Explanation The omasum, often called the 'manyplies,' is the third compartment of the ruminant stomach. Its primary function is the absorption of water and electrolytes from the digesta.