Examlex
Neptune was discovered as a result of perturbations observed in the orbit of ________.
Fetus
A developing mammal or human from usually two months after conception to birth.
Human Organism
A living individual of the species Homo sapiens, composed of multiple organ systems.
Outer Cells
Cells located on the outermost layer of a structure or organism, often involved in protective or interface functions.
Placenta
An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the fetus while removing waste products.
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