Skeletal system

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Across
  1. 4. The longest and largest bone of the upper limbs
  2. 6. A Flexible column formed by a series of vertebra
  3. 8. A Triangular bone that protects the knee
Down
  1. 1. Longest bone in the bod, only bone in the thigh
  2. 2. More flexible than bone, stiffer than muscle
  3. 3. An elongated flattened bone that forms the middle portion of the rib cage
  4. 5. Long thin bone of the forearm
  5. 7. Bands of dense connective tissue