Menstrual cycle and pregnancy revision Crossword

This printable crossword puzzle on the topic of Human Body Systems has 14 clues. Answers range from 3 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

When an egg is released from the ovary
The process of a sperm cell joining with an egg cell
Menstrual bleed
The part of the female reproductive system where a foetus (baby) grows
Chemical messengers that travel in the blood
The male sex organ
This structure transfers nutrients, oxygen and waste between the mother and the foetus
A group of living things that all have similar features
The male sex cell (gamete)
The female sex cell (gamete)
Painful muscle movements that a woman experiences when she is in labour (about to give birth to a baby)
A time when lots of changes happen in the body as you develop into an adult
What we call a woman that is carrying a baby in her uterus
The watery substance that surrounds a foetus in the womb