Folds in brownish…
Body parts, Minus items, Plus items, Brain:ibid from left to right…(the strands are)

The strands are; Minus spins UP, Plus spins DOWN…

From Left to right, the strands are: Body Parts, Minus, Plus, Brain Parts…

(inside) My left hand goes to my right frontal lobe brain part inside, so that is true…< CT scan &/or a bone scan > Computed tomography means repeated pictures from many different angles…

The left-est…Spins forward…

Right-ist…Spins backwards…