Smart Doctor on Instagram: "Who Controls the Body: Muscles, Organs, or the Nervous System? - - - - 🔍 Ever wondered what really fills the space beneath the skin? In this 3D female anatomy breakdown, each layer is peeled away in front of you: muscles slide aside, the rib cage opens, and the heart, lungs, liver, stomach, intestines, kidneys, uterus and ovaries appear exactly where they live inside a real body. The adult body contains over 600 muscles and around 100,000 km of blood vessels, and in