"... the practice of T'ai-chi ch'uan is the method of storing ch'i. With this method of circulating the ch'i, it overflows into the sinews, reaches the bone marrow, fills the diaphragm, and manifests in the skin and hair. This is truly concentrating the ch'i and developing softness." ("Master Cheng's Thirteen Chapters on T'ai-chi Ch'uan", translated by Douglas Wile, pg 17)
Through the pores, yes, like they was doors.
A monk asked Chao Chou, "The myriad things return to one. Where does the one return to?"
Chou said, "When I was in Ch'ing Chou I made a cloth shirt. It weighed seven pounds."
(Blue Cliff Record, trans. T. & J.C. Cleary, case 45)