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A temporary organ that develops during pregnancy. It attaches to the lining of the uterus and delivers oxygen and nutrients to the growing foetus through the umbilical cord.

Population (Statistics)

Rain that continues for a long time.

Vascular tissue that transports nutrients through the plant.

Inflammation of the lung, usually caused by infection with viruses or bacteria.

A premature baby is born before 37 weeks gestation. Premature labor can occur after 20 weeks gestation but before 37 weeks.

A condition in which the placenta has begun to separate from the uterus before the foetus is born.

Country in Central Europe.

A unit of mass (which we feel as weight).

Relating to the government or public affairs of a country.