Labels:fence | monitor | paramecium | person | radio compass | railing | sky | stairs | tie | tree OCR: X-RAY OF THE KNEE NX-RAY of the knee shows that situated at the junction of the two longest bones in the body: the upper leg bone and the larger the two lower leg bones. The knee joint works like a roop hinge enabling you to bend and straighten your Femur (upper leg bone) Knee joint Tibia (lower leg bone} KNEF door