This picture is in time with the average heart rate. What you’re hearing is the sound of your blood pumping, which you aren’t normally aware of. This picture tricks your mind into making yourself aware of your heart rate, so you hear it.
MIND = BLOWN 1000000 X
i can hear it omg
this is my favorite gif ever
holy shit I can even feel it
O M G. MIND = BLOWN. MIND = BLOWN. MIND = BLOWN. O M G.