All sensations, movements,, memories, and feelings are the result of signals that pass through neurons of differing shapes, sizes, and functions. (braininitiative.org)
End tables in the same finish but differing shapes lend visual interest. (hgtv.com)
Finally and more generally, it seems very unlikely that a small change in any hypothetical physicochemical property would add the same — burnt, roasted — smell character in several different molecules with differing shapes and solubility properties. (journals.plos.org)