A skeletal building structure is a steel frame that is built to support a large building or skyscraper. The structure consists of metal beams forming vertical columns crossed with steel girders for stability. More » Science Human Anatomy Bones

The protein-building structures contained in all cells are ribosomes. Thousands of these structures are present in cells, with more present in cells that make lots of proteins. Ribosomes take the genetic message of DNA a... More » Science Biology Cells

A mass structure is a structure that is made by combining similar materials into a certain shape or design. Mountains are an example of a natural mass structure, and brick walls are an example of a man-made mass structur... More » Science Physics
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Bones are important because they provide a frame for the body, protect organs, anchor muscles and store calcium. Humans have 206 lightweight and strong bones that support the body’s total weight. More » Science Human Anatomy Bones

The human skeleton protects the inner organs, supports the body's frame, stores the body's chemicals and minerals, facilitates blood transportation and formation and makes movement possible. The skeleton is made up of mo... More » Science Human Anatomy Bones

The function of compact bone is structural support, both for overall body structure and the protection of cancellous bone, which contains marrow. Mature compact bone is layered and very dense, with the mineral calcium ph... More » Science Human Anatomy Bones

According to the University of Michigan, the differences between compact and cancellous bones are structure and location. Compact bone is denser than cancellous bone, found along the shafts of bones and covering cancello... More » Science Human Anatomy Bones