In “Your Inner Fish” Neil Shubin discusses how the human body can best be understood by studying how humans evolved from other species. He emphasizes the similarities between humans and the Tiktaalik. It is perplexing to think that our hands evolved from a fish species that adapted itself to walk on land. The Tiktaalik fossils revealed that they had a wrist bone similar to the ones humans have today. Additionally, it was found the fish contained joints that allowed them to bed their wrists and open and close their hands. Our joints with the same function evolved from this fish. Fossils also revealed that the Tiktaalik had a radius bone. This was the origin of the end of the humerus becoming like a ball. Through the fossil record it has become