🌐 bbc.co.uk
How does your heart work? - BBC Bitesize
The heart keeps all the blood in your circulatory system flowing. Find out more in this Bitesize Primary KS2 Science guide.
↗ https://www.bbc.co.uk/bitesize/topics/z7x78xs/articles/ztg6gdmThe heart keeps all the blood in your circulatory system flowing. Find out more in this Bitesize Primary KS2 Science guide.
↗ https://www.bbc.co.uk/bitesize/topics/z7x78xs/articles/ztg6gdm