Do a hammerhead shark have backbone?

Yes, hammerhead sharks have a backbone. All sharks are vertebrates, which means they have a backbone made of cartilage. The hammerhead shark's backbone is made up of a series of vertebrae that are connected by ligaments and muscles. These vertebrae provide the shark with support and allow it to move its body. The hammerhead shark also has a skull, which is made up of cartilage. The skull protects the shark's brain and other organs.