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During the 1820s and 1830s, canal building projects
Teratogen
An agent or factor that causes malformation of an embryo or fetus.
Placenta
A critical organ in mammalian embryos, linking the mother to the fetus, it facilitates the exchange of nutrients, waste, and gases.
Zinc
A chemical element with symbol Zn and atomic number 30, necessary for human health and involved in numerous bodily processes.
Cobalt
Cobalt is a chemical element with the symbol Co and atomic number 27, used in alloys, batteries, and as a pigment for its distinctive blue color.
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