Examlex
What did South Carolina threaten to do if the federal government attempted to collect the taxes imposed by the Tariff of 1828?
Placenta
This organ, developing within the uterus during pregnancy, functions to feed the fetus with necessary nutrients and oxygen and clear out its waste products.
Gestational Age
The age of an embryo or fetus (or the duration of the pregnancy) starting from the first day of the mother's last menstrual period.
Thirty-Seven
A number, specifically the integer following thirty-six and preceding thirty-eight.
Mesoderm
The middle layer of an embryo in early development, which gives rise to muscles, bones, and blood vessels.
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