Examlex
The lunar maria are ancient _______________ that have apparently covered older, cratered lowlands.
Placental Barrier
The physiological barrier formed by the placenta that separates the fetal blood circulation from the maternal blood circulation, allowing the exchange of nutrients and wastes while blocking harmful substances.
Breastfeeding
The natural act of feeding a baby with milk from the mother's breast.
Prenatal Period
The prenatal period is the developmental stage that occurs from conception to birth, encompassing the growth and development of a fetus inside the mother's womb.
Alcohol
A chemical compound that is commonly found in drinks like beer, wine, and spirits, known for its psychoactive effects on the human body.
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