Whatever of soundness or unsoundness there is in the bodies of men, is said to be his manifestation. He is the Pana and Apana breaths in embodied creatures.
विषमस्थः शरीरेषु समश्च प्राणिनामिह। स वायुर्विषमस्थेषु प्राणोऽपानः शरीरिषु॥