Relier Pairs SCIENCE VOCABULARYVersion en ligne Look at the pictures and match with the correct definition. par Yareli Vázquez Flores 1 Embryo what are the zygote becomes after it gets bigger. 2 Pregnancy is the period from the moment of fertilization until the birth of the baby. 3 Fertilization is the process when an egg cell and a sperm cell unite in one of the Fallopian tubes. 4 Zygote is the first cell of a new human being produced by the union of egg and sperm cells. 5 Sperm are male sex cells. 6 Plancenta an organ that passes nutrients and oxygen from the mother to the embryo in the uterus. 7 The female sex cell produced in the ovaries.
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