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What is the cloaca?

Updated: 8/10/2023
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6y ago

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In zoological anatomy, a cloaca is the posterior opening that serves as the only such opening for the intestinal, reproductive, and urinary tracts of certain animal species. The word comes from Latin, and means sewer. All birds, reptiles, and amphibians possess this orifice, from which they excrete both urine and feces, unlike placental mammals, which possess two separate orifices for evacuation.
A cloaca is the posterior opening in birds, reptiles, fish and monotremes (egg-laying mammals) which is the single opening for the reproductive, intestinal and urinal tracts. These animals pass their urine, faeces and eggs as well as live young through this opening. The word actually means sewer.

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6y ago
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6y ago

It is where wastes pass through.
A cloaca is the opening in an organism that serves multiple functions. In birds and reptiles, for example, the cloaca is where urine and feces are discharged and the receptacle for sex and egg laying.
Every animal, fish, and insect has a cloaca. The cloaca is used as a passage for feces, urine, and other body fluids.

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13y ago

The cloaca (opening) is where sperm, eggs, urine, and feces exit the frog's body

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15y ago

the three functions of a frog's cloaca is the urinary, genital and intestinal. its multi-use. all waste exits the body through the cloaca.

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12y ago

It is part of the digestive system and it helps to remove urine from the body.

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8y ago

Both male and female chickens have a cloaca. It is the vent to their reproductive organs.

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