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What is the pH of a solution with [H+] = 9.40 × 10-4?
Zygote
A fertilized egg cell that results from the union of a female gamete (egg, or ovum) with a male gamete (sperm).
Embryo
The early developmental stage of an organism, following fertilization and preceding fetal development.
Amnion
A thin, protective membrane that forms a sac around the embryo or fetus during pregnancy, containing the amniotic fluid.
Placenta
An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing baby while removing waste products from the baby's blood.
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