Watch the video. You can activate the subtitles.
1) Answer the 4 questions in your notebook (Science, page 24).
2) Watch the video again. Copy these sentences and complete the gaps.
a) Human pregnancies are divided into 3 ______________ of 3 _________ each.
b) Pregnancy begins in the ____________, where a __________ fertilizes an _____________.
c) The placenta provides key _________, ___________ and hormones via the ___________ cord.
d) The fetus usually turns heads-_________ in preparation for ___________.
