EVERYDAY SCIENCE

Detailed explanation-1: -cloaca, (Latin: “sewer”), in vertebrates, common chamber and outlet into which the intestinal, urinary, and genital tracts open. It is present in amphibians, reptiles, birds, elasmobranch fishes (such as sharks), and monotremes. A cloaca is not present in placental mammals or in most bony fishes.

Detailed explanation-2: -The cloaca is a common space that collects the waste and opens into the outside of the body. The outer opening is commonly referred to as the vent. The cloaca is divided into three main sections: the coprodeum, the urodeum, and the proctodeum. The coprodeum collects the fecal matter from the colon.

Detailed explanation-3: -Hint:Cloaca is a small sac-like structure that opens the anus, urogenital aperture, and urinary bladder. It opens outside the body through a cloacal aperture that is located at the posterior end of the body.

Detailed explanation-4: -Cloacal aperture is the posterior most opening on the surface of cloaca . It is found mainly as vertebrates like fishes, reptiles, amphibians. These organisms have a single structure for doing three activities. Cloaca is a chamber in which digestive tract and urogenital passages.

Detailed explanation-5: -The coprodeum is the most cranial division of the cloaca. It is the continuation of the colon where faeces are stored.