15 of the world’s population does not have muscles

(1)In human 85, the intestinal muscle is a degenerated muscle that extends from the elbow to the bottom of the palm
(2)Some primates use this muscle to climb trees, and cats and predators use it to close their claws
(3)If you want to make sure you have an intestinal muscle, bend your wrist and attach your thumb and pinky If you have a bowel muscle, it will pop out