Update 'content/experiment/listening-to-the-body.md'

content/experiment/listening-to-the-body.md

@@ -4,6 +4,7 @@ title: "Listening to the Body"
 
 # Listening to the Body
 
+Imagine a stethoscope without a doctor. What would it hear? Why is it listening?
 What does your body say when you are speaking? Or even when you are silent? (hearbeat) Mediate auscultation.  
 
 ## Overview