Is a tissue membrane positioned in thin cavities between bones in movable joints.

The correct answer is "synovial membrane." The synovial membrane is a tissue that primarily produces synovial fluid between the joints which serves as a lubricant. Apart from making synovial fluid, it lines joint cavities, tendon sheaths, and the bursa which is a sac filled with fluid that is located between the tendons and the bones.

Archaebacteria. Archaebacteria are the most recent addition to the kingdoms of organisms. ...

Eubacteria. Eubacteria are also single-celled bacterial organisms. ...

Fungi. ...

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Animals.