This activity will help you remember the order of
events leading up to fertilisation in mammals.
Cut out the box of sentence beginnings on the
left hand side and stick it in your exercise book.
Cut out each sentence end on the right hand
side, match and stick next to its sentence
1. Fertilisation is the to stop other sperms from
joining together entering.
2. The sperms swim through of a sperm and an egg.
the cervix, up the uterus
3. This is a very long way and a sperm can live for
for the sperms to swim up to 3 days.
4. To overcome these when it is possible for the
losses milllions of sperms egg to be fertlised.
5. A number of sperms and most of them will not
may reach the egg reach the egg.
6. This is because the egg are released into the
makes a skin round itself vagina at once.
7. The egg can live for and into the egg tube to
about a day find the egg.
8. So there are only about but only one is able to
3 days in a month enter it.