Children Begin to Speak Words at About 12 Months of Age

question 88

True/False

Children begin to speak words at about 12 months of age.

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Definitions:

Mesonephros

A phase in the development of the vertebrate urinary and reproductive organs, serving as a temporary kidney during certain stages of embryonic development.

Pronephros

The most primitive form of the kidney found in embryonic development of vertebrates, functioning temporarily before giving way to more advanced kidney forms.

Allantois

An embryonic membrane in eggs and some mammals that deals with respiratory gas exchange and the management of waste.

Bulbus Cordis

End of the embryonic cardiac tube where blood leaves the heart; becomes part of the ventricle.