The given picture is rumination process in cow. Identify and name the Labelled part ‘P’ in the given picture..

The cud-chewing mammals have four chambers of stomachs used for their digestion. Species(cow) obtain their nutrition from plant products by adapting to a process called rumination. During rumination, they ferment the food, regurgitate and chew their food before the main digestion process occurs.

The rumen/paunch is the largest stomach compartment in ruminants and the larger part of the reticulorumen, it is the first chamber in the alimentary canal of ruminant animals.