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Saturday 27 February 2016

Fifth Graders: Heart contest!

Howdy, my little ducklings!

As we have seen, our heart is divided into four separate chambers. Now, some vertebrates have three- chambered hearts. Can you name one of them?

First correct answer gets a small treat on Monday. 😊
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  1. Marta Pérez2 March 2016 at 21:48

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  2. Unknown3 March 2016 at 20:06

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