This document contains a diagram of the major muscles and bones of the human body. It lists the name "Álvaro Lavid Serna" and provides his level, year, and group. The diagram labels and shows the locations of muscles like the trapezius, pectorals, biceps, and quadriceps as well as bones such as the cranium, clavicle, sternum, humerus, ribs, vertebrae, radius, ulna, femur, tibia, fibula, and phalanges. A second diagram labels features of the head like the hair, eye, mouth, ear, and nose as well as body parts like the shoulder, arm, hand,