Photoshop image editing

I was given a fum project  this week. We purchased an image. The image needed to be sliced for animation. However, upon stating the breaking down of the image we realize we needed to reconstruct several parts.

This is the full image:

I was asked to recreate the back and front arms, remove the fingers in the circle with the neuron and separate the arrow.

rebuilding the front hand:

Rebuilding the back hand. This was the most difficult part of this project:

fingers removed from the circle:

Slice one:

The full image after the reconstruction:

This project was fun, took some masking, path building, burn tool and painting. Merging of layers and grouping helped created layer comps to export all of the individual components.