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Circulation of the Blood

$39.95

What actually happens when your heart goes lub-dub, lub-dub, lub-dub? Where does blood enter your heart? How exactly does it move through the heart and get to the different parts of your body? What are veins and arteries? And how does all this work with your lungs and digestive system?

The Young Scientist

$39.95

The Young Scientist – An Introduction to Observation and Discovery is a lively, engaging exploration of what science is, and what it means to be a scientist.