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What is the circulatory system? - BBC Bitesize
The circulatory system takes oxygen around the body. Find out more in this Bitesize Primary KS2 Science guide.
↗ https://www.bbc.co.uk/bitesize/topics/z7x78xs/articles/zs8f8mnThe circulatory system takes oxygen around the body. Find out more in this Bitesize Primary KS2 Science guide.
↗ https://www.bbc.co.uk/bitesize/topics/z7x78xs/articles/zs8f8mn