Biological Materials II Structural-architectures-with-toughening-mechanisms-in-Nature-a-review-of-the-materials-science-of-type-I-collagenous-materials Structural-characterization-and-viscoelastic-constitutive-modeling-of-skin Viscoelastic-properties-of-a-keratin-fibers-in-hair Tensile-behavior-and-structural-characterization-of-pig-dermis Mechanical-adaptability-of-the-Bouligand-type-structure-in-natural-dermal-armour Structure-and-Mechanical-Adaptability-of-a-Modern-Elasmoid-Fish-Scale-from-the-Common-Carp