Appliance of science: Why does your stomach rumble?

Some say it’s a sign of hunger or an upset stomach, but regardless of what causes it, we are all familiar with the odd sounds our stomachs can make, writes Dr Naomi Lavelle.

Some say it’s a sign of hunger or an upset stomach, but regardless of what causes it, we are all familiar with the odd sounds our stomachs can make, anything from a low rumble to a full on growl.

These sounds are perfectly natural though and are just a sign that our bodies are working correctly; but why does our tummy make the noise at all?