[quote=@DarkwolfX37]
<Snipped quote by Legend>

Perhaps an argument can be made for one or two of the internal systems, but that wouldn't be universal among everything with a humanoid form. If we want versatility then there are many improvements that could be easily made by anything that can transform.

[/quote]

Everything affects everything else. Biological systems are delicately balanced, and human beings are incredibly durable.