The Skeletal System

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Across
  1. 4. Occurs when the male sperm fertilizes the female ovum and a new organism begins to develop
  2. 5. Pertaining to the central structures of the body
  3. 7. Continuous one-way movement of blood through the heart and blood vessels to all parts of the body
  4. 9. Fragile, easy to break
Down
  1. 1. Living human being during the first eight weeks of development in the uterus
  2. 2. Pertaining to any body part added to the axis
  3. 3. Filled with tiny holes
  4. 4. Tough connective tissue; forms pads at end of bones, is found in the nasal septum and external ear, and forms the major portion of the embryonic skeleton
  5. 6. Able to bend easily
  6. 8. Parts or elements of a whole; and ingredient