Complex sentence: Redesigns included a reduction in head and waist size, broader shoulders, a more muscular physique, piranha-like teeth on the upper jaw and dryer, and less clammy skin to further differentiate them from the Aliens.
Split into simpler sentences: Redesigns included a reduction in head and waist size, broader shoulders, a more muscular physique, and piranha-like teeth on the upper jaw. The Redesign also included dryer, less clammy skin to further differentiate them from the Aliens.