They're not technically "hinged". The knee and elbow joints (for example) act similar to hinges, but are actually more complicated than that. The shoulder and hip joints are more like a ball-and-socket than a hinge.
If you're asking how they're held together, it's by fibrous tissue called ligaments.
In an adult head, the two bones are the cranium and the hinged jaw bone.
The water animal like an oyster whose shell has two parts hinged together is the bi-valve. This includes clams, mussels and scallops.
Bones are held together by ligaments.
joints. (they JOIN bones together. JOINts join! :P )
Bones are held together by a strong tissue called Ligaments.
Joints are what holds bones together in the human body. Joints are where two or more bones meet and are connected by ligaments, tendons, and cartilage. These structures provide stability, support, and allow for movement between bones.
The ligaments forms a joint to connect and hold bones together.
Bones come together at the joints!
Bones are held together by the ligaments.
to connect the bones together
tendons and ligiments hold our bones together.
Muscles, bones and tendons work together to move your arm. The tendons will connect the muscles to the bones and the bones will provide the necessary support which will facilitate the movement.