Sagot :
Fertilization and implantation
During fertilization, the sperm and egg unite in one of the fallopian tubes to form a zygote. Then the zygote travels down the fallopian tube, where it becomes a morula. Once it reaches the uterus, the morula becomes a blastocyst.
i this is wrong im sorry : (
Answer:
Fetus: An unborn baby from the eighth week after conception till birth is referred to as a fetus. Placenta: A flat-cake-shaped organ that only grows during pregnancy and supplies sustenance and waste removal for the fetus.
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