How would a visual effects designer working on an animated movie with human characters best use knowledge of biology?

The knowledge of biology can help the designer to create accurate human features.

for example, the designer could use his biology knowledge in bones and joint to create a character whose movement is scientifically possible. This will make the animation become more realistic thus increase it's value

Answerbecause he hoped the chair would later be mass- produced not hand -crafted;

Answer//arthritis;