Question: what body system is the cloaca part of
Answer: In animal anatomy , a cloaca / kloʊˈeɪkə / kloh - AY - kə ( plural cloacae / kloʊˈeɪsi / kloh - AY - see or / kloʊˈeɪki / kloh - AY - kee ) is the posterior orifice that serves as the only opening for the digestive , reproductive , and urinary tracts ( if present ) of certain animals , opening at the vent .