Skeletal system

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Across
  1. 1. The bones, muscles, tendons, and other tissues that reach from the base of the skull to the tailbone
  2. 2. the bone of the upper arm or forelimb, forming joints at the shoulder and the elbow.
  3. 4. your thigh bone
  4. 6. the inner and typically larger of the two bones between the knee and the ankle (or the equivalent joints in other terrestrial vertebrates), parallel with the fibula.
  5. 7. the part of the skull that encloses the brain
Down
  1. 1. the breastbone
  2. 3. an internal or external framework of bone, cartilage, or other rigid material supporting or containing the body of an animal or plant.
  3. 5. consists of 24 ribs (2 sets of 12), which are attached to a long, flat bone in the centre of the chest called the sternum.