Countless weak threads of Internal Breath flowed through the countless meridians in his body that were also fine, even much thinner than fine threads.
Although every Internal Breath was as thin as a gossamer thread and could almost be ignored by most martial artists, their strength was slightly different. Moreover, each breath had a different frequency of vibration. Some were extremely high, but some were very slow.
These tiny Internal Breaths flowed back and forth in the huge meridian system, but no two strands had ever touched each other. They were perfectly separated at all times.