how many disc do humans have
kgb answers Â» Health & Body Â» Health & Fitness Â» how many disc are in your back? The human spine consists of 33 vertebrae, 23 discs, 31 pairs of nerves, and 140 muscles, as well as tendons, ligaments, and cartilage. The discs act as a cushion between the vertebrae (the bony segments of the spine) and are comprised of protein, cartilage, and water.