I can hear your heart beat, your lungs breathe.

Then some sea creatures developed lungs and the ability to breathe air and they moved out of the ocean on to dry terrain.

The weight of the bag wouldn't let the lungs breathe, and half the time the bag was in the water.

With holes to the outer air, the lungs collapsed and couldn't breathe.

It still has a heart and lungs to breathe air with and purify your blood.

If a lung can't breathe on its own, if a heart can't beat by itself, are you dead or alive?

Some lie in a narcotic haze, waiting until their seared lungs can breathe without help from machines.

She could make the air so thick my mortal lungs couldn't breathe it.

I can't even tell you what's making his heart pump and his lungs breathe.