When a ____ cell joins with an egg cell ____ has taken place. This happens in the ____. This is the start of a new life and forms a ____. This zygote travels to the ____ or womb, dividing into ____ cells during this time. This collection of cells is called an ____. The embryo then ____ into the wall of the womb and will develop there over the next 9 ____. After 8 ____ the embryo is referred to as a ____ and will be surrounded by a bag of ____ called the ____. This ____ the foetus from knocks and ____. This bag ____ at birth and is referred to as the 'waters ____. The developing baby is also attached to the mother by an ____ cord. At the end of this cord is the ____. This takes food and ____ from the mother's blood to the foetus. ____ material like carbon ____ are sent back to the mother through the placenta. After the baby is born, the placenta needs to be ____ shortly afterwards. The umbilical cord will be ____ and this leaves a scar called a ____ or belly ____ on the baby.

Pregnancy

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