Body’s heart has broken, so in this episode we find out more about the heart! Find out how big it is, what cardiac muscles are and more heart facts!

<p>Body&rsquo;s heart has broken, so in this episode we find out more about the heart! Find out how big it is, what cardiac muscles are and more heart facts!</p>

We're the UK's children's radio station. Listen across the UK on DAB Digital Radio, on mobile and online at funkidslive.com.

<p>We're the UK's children's radio station. Listen across the UK on DAB Digital Radio, on mobile and online at funkidslive.com.</p>