1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) any of various dark heavy viscid substances obtained as a residue 2) the cardinal number that is the sum of one and one and one 3) a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb DOWN 1) brief episode in which the brain gets insufficient blood supply; symptoms depend on the site of the blockage 2) a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of 3) the shape of a raised edge of a more or less circular object ** Scroll down for solution. ** Are you sure you want to peek? tar iii arm