Skeletal System Study Guide

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Across
  1. 1. The breastbone.
  2. 3. Strong fibrous collagen tissue attaching a muscle to a bone.
  3. 4. A soft fatty substance in the cavities of bones, in which blood cells are produced.
Down
  1. 1. Honeycomb-like structure and is typically found at the ends of long bones.
  2. 2. The convex bone in front of the knee joint.