The idea that intelligence is problem solving is quite limited. It's like trying to frame every problem as an economic problem (with a single profit/loss dimension).
> The entire human body functions similarly to the brain
That's a bit of a stretch.
> The entire human body functions similarly to the brain
That's a bit of a stretch.
That what is it, or at least, what else can it do in your view?
And on the other hand, solving problems is often not done by intelligence but by guessing, or intuition.
> solving problems is often not done by intelligence but by guessing, or intuition
Have you any evidence that this is a significant and useful strategy.