placenta - tube where embryo gets all its nutrients from its mum, implantation - when an fertilised egg sticks to the lining of the womb, fetus - the name of an embryo at once it is about 9 weeks old, contractions - happens in labour when the muscles of the uterus push the baby out, sperm - male sex cell, egg - female sex cell, oviduct - tube connecting the ovary and the uterus, scrotum - bag of skin that holds the testes, attraction - if you bring a north pole and a south pole together, they feel..., repulsion - if you bring two of the same poles together, they feel..., magnetic - able to be magnetised or attracted to a magnet., acid - corrosive substance which has a pH lower than 7, base - a substance that reacts with an acid to neutralise it and produce a salt., neutralise - to be made neutral by removing any acidic or alkaline nature,

Leaderboard

Visual style

Options

Switch template

Continue editing: ?