No. Sharks bones are made of cartilage though.
Ossification the the process that occurs when cartilage is replaced by bones!
cartilage protects the bones where they meet.
Bones are harder than cartilage, which is a firm but flexible connective tissue. Bones are also larger and provide more structural support and protection for the body compared to cartilage. Bones contain bone marrow, which is responsible for producing blood cells, while cartilage does not have this function.
Cartilage tissue.
Cartilage is what protects the bones where they meet.
It would be false to say membrane bones develop from hyaline cartilage structures. It is cartilage, rather than membrane bones, that comes from hyaline cartilage structures.
Cartilage
All bones start as cartilage and over time they turn to bone.
Sharks do not have bones, they have skeletons made of cartilage.
bones are hard, cartilage are soft and bendable , eg your ear, nose..
The shock absorber between bones is called cartilage.