{HEAD ~ The one or more passages} may have {TAIL ~ a serpentine path} back and forth along cells of the second plurality, and the passage may connect laterally from cell to cell, within cells of the second plurality, at or near the ends of the body 
have
{ HEAD ~ The one or more passages } may have { TAIL ~ a serpentine path } back and forth along cells of the second plurality , and the passage may connect laterally from cell to cell , within cells of the second plurality , at or near the ends of the body
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH