ZYGOTE - When an egg is fertilised by a sperm a ____ is formed., EMBRYO - The zygote divides rapidly and forms an ____, PLACENTA - The organ that receives nutrients and oxygen from the mother's body for the foetus. It develops during the pregnancy., UMBILICAL CORD - It connects the foetus to the placenta. It transports nutrients and oxygen to the foetus., FOETUS - During the first trimester of pregnancy, when the embryo develops organs, it becomes ____, FERTILISATION - It occurs in the fallopian tubes when only one sperm enters the ovum/egg., BIRTH - The moment when the foetus is ready to be born and it is pushed through the cervix and vagina outside., AMNIOTIC FLUID - It is the liquid which is inside the sac where the foetus is. This fluid protects the foetus., CONTRACTIONS - Rhytmical movements in the wall of the uterus that push the baby into the vagina., DELIVERY - The last stage of the labour during which the placenta is pushed out of the mother's body., NINE - The number of months a pregnancy usually lasts, CERVIX - It dilates (opens) 10cm to let the baby go out,

Fertilisation, pregnancy and birth crossword

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