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BIOLOGY | MEDICAL | HEALTH on Instagram: "This video offers a captivating look at the major stages of human embryonic development—from fertilization to initial organ formation. It begins with a single-celled zygote and follows its journey through rapid cell divisions, implantation in the uterine wall, and the formation of the blastocyst. As development progresses, the animation highlights biological milestones such as gastrulation, germ layer formation, cell differentiation, and the emergence of