spongy and compact
Flexion decreases the angle between two bones in a joint. Extension increases that angle.
The place where two bones connect is called a joint; the bones are held in place by ligaments.
The sagittal suture is located between the two parietal bones of the skull.
Synovial fluid is the lubricant between the ends of bones.
sacrum
suture
There are no bones between the radius and ulna. There are of course complexes of bones at the wrist and elbow however.
Between two bones, there is a ligament, which is why you can bend your knee without the bones scraping against each other.
A junction between two bones is called a joint. Joints allow for movement and flexibility within the skeletal system.
It's the immovable joint between the two parietal bones of the skull. It's located in the middle of the frontal and occipital bones going vertically. The sagittal suture connects the two parietal bones together. It's located between the occipital and frontal bones.
Tendons.
the muscles between bones