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Placenta

Placenta, pluh SEHN tuh, is a disk-shaped organ that develops in pregnant women. The placenta provides the unborn baby with food and oxygen and carries away the baby's waste products. The organ also produces chemicals called hormones, which maintain the pregnancy and help regulate the baby's development. More »

Did You Know?
Crane is the name of a family of large birds with long legs and a long neck. Cranes live in marshy areas in many parts of the world. South America… More>>
Durrell, DOOR uhl, Gerald (1925-1995), was a British naturalist and author. He was best known for his work in wildlife preservation and his books… More>>
National Health Service (NHS) is the United Kingdom's health care system, which provides state-funded medical services to all residents. The… More>>
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