Q4 of 43 Page 142

How does the sperm break through the egg cell membrane? Choose the option you think is right. ( )

The head of the sperm consists of acrosome that releases chemicals on reaction that dissolve the layers surrounding the egg cell so that the sperm can fertilize it.

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2

The term that we use to describe a sperm cell fusing with an egg cell? ( )

 3

Which part of the male reproductive system produces (human) the sperm cells? ( )

 5

Why are egg cells larger than sperm cells? Choose the option you think is right. ( )

 6

Which of these things will affect the way a foetus grows? Choose the option you think is right. ( )