Blue Blood and Beyond TopicBook

This TopicBook is part of the Hearts TopicPack.
 
This is the printed colour workbook.
 
24 pages exploring how hearts and blood can vary throughout the natural world including :-
 
- creatures with different numbers of hearts
- how respiratory pigments work to create different coloured blood
 
and how zebrafish and wood frogs have some cool modifcations to their hearts and blood to help them survive.