Comparison of the surface density profiles of stars (left) and cold gas (right) in the simulated galaxies in the fiducial and ALL_Efb_e001_5ESN simulations along with the profiles of late-type galaxies from the THINGS sample (Leroy et al. 2008) in the stellar mass range ﹩{M}_{\star }\approx (3-10)\times {10}^{10}\ {M}_{\odot }﹩ and the Milky Way, using a combination of the thin and thick stellar disks with parameters given in Table 2 of McMillan (2011) for ﹩{{\rm{\Sigma }}}_{\ast }﹩ and the sum of HI and H₂ profiles from Dame (1993) for ﹩{{\rm{\Sigma }}}_{{\rm{gas}}}﹩. In observed galaxies the gas surface density includes atomic and molecular gas corrected for helium mass fraction, while in simulations the gas mass includes all of the cold gas of ﹩T\lt {10}^{4}﹩ K.