Pregnancy

1Fill in the missing words in the sentences below.

Use the words in the box.

amniotic sac carbon dioxide umbilical cord oviducts fertilisationplacentaoxygensperm celluterus

When a __________________ joins with an egg cell, this is called __________________ . It

happens in the __________________ . This is the start of a new life. The developing baby

grows inside the __________________ surrounded by a __________________ ______

__________________.

The developing baby is attached to the mother by the __________________.

At the end of the cord is the __________________ . This takes food and

__________________ from the mothers blood to give to the developing baby. Waste

materials, like __________________ __________________, are sent back to the mother here.

2Draw lines from the diagram on the left to the correct name and then to the correct job.

Name

Amniotic sacPlacenta

Umbilical cordJob

carries oxygen, food and waste between mother and baby

takes oxygen and food from the mothers blood

protects the baby

Year 7 2014-2015 Key Stage 3 Science Unit: Human Reproduction