1. 1 5 4 3 2 6 Illustration copyright © McGraw-Hill Australia Pty Ltd

2. 1 5 4 3 2 6 finger bone Finger bones are involved in a freely moveable joint known as a synovial joint.

3. 1 5 4 3 2 6 Illustration copyright © McGraw-Hill Australia Pty Ltd This capsule protects the synovial membrane. fibrous capsule

4. 1 5 4 3 2 6 Illustration copyright © McGraw-Hill Australia Pty Ltd The fluid is found in the joint cavity. It lubricates the joint and nourishes the cartilage. synovial fluid

5. 1 5 4 3 2 6 Illustration copyright © McGraw-Hill Australia Pty Ltd The membrane surrounds the joint cavity and holds in the fluid. The synovial capsule is outside the membrane. synovial membrane

6. 1 5 4 3 2 6 Illustration copyright © McGraw-Hill Australia Pty Ltd The cartilage covers the ends of the bones and protects them. It also reduces friction between the two bones when the joint moves. cartilage

7. 1 5 4 3 2 6 Illustration copyright © McGraw-Hill Australia Pty Ltd finger bone Finger bones are involved in a freely moveable joint known as a synovial joint.