7Bc(3)
Becoming pregnant
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Class
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Read the following passage and then answer the questions below. About once every 28–32 days, an egg cell is released from an ovary. The egg cell travels down the oviduct. If it meets a sperm cell it can be fertilised. While the fertilised egg cell continues along the oviduct, it divides into a ball of cells called an embryo. In the uterus, the embryo implants itself in the uterus lining. 1 Cut out the pictures at the bottom of the page and stick them in the right places on the diagram.
7 B c
2 Write a sentence for each one saying what is happening. 3 On the diagram, label the words in bold in the passage above.
I CAN...
Exploring Science
Unit02.indd 59
• describe how sexual intercourse leads to fertilisation • state that a fertilised egg cell develops into an embryo • recall that a baby develops in the uterus.
edition
59
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22/2/08 11:41:22