Completar frases Fertilisation fill in the gapVersión en línea Fill in the gaps to explain the process of fertilisation! por Mrs E Brinkley 1 divides millions embryo vagina oviduct cervix single sneezes baby ejaculates fertilisation implementation implantation uterus thousands egg Ciliated During intercourse , the man releasing of sperm into the . Sperm cells swim from the vagina to the to the . cells waft the down the oviduct towards the uterus . A sperm meets the egg and occurs . The fertilised egg several times to form a ball of cells called an . The embryo attaches to the lining of the uterus in a process called .
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