The human bones are primarily made of collagen fibres and inorganic minerals which include calcium and phosphate. The inorganic component is present in the form of salts or crystals known as hydroxyapatite (HA) usually in the chemical formula Ca 10 (PO 4 ) 6 (OH) 2 . The hydroxyapatite mineral has a Ca:P ratio of 5:3 (1.67), but in the complex composition of the bone this ratio may be between 1.37 and 1.87. Additionally, there are ions such as carbonate, zinc, and silicon. Articular cartilage is a collagen-based tissue that through components of protein-polysaccharide molecules form a gel that enable formation of movable joints.
Are bones living breathing tissues, and what tissue category would we place them in?
Bones are living breathing tissues particularly due to their particular components and functional capability. It is evident that the oxygen supply to the bones has a direct impact in its formation and physiology. Additionally, there are various cells that form the bone tissue. For instance, osteoblasts and osteocytesare are involved in the formation and generation of minerals in the bone (Betts et al., 2017). Osteoclasts are other cells involved in the resorption of bone during formation and repair processes. These cells all originate from osteoblasts and some of them are modified so as to create a protective layer of the surface of the bone. There are two types of bone tissue including the compact and spongy providing the significant characteristics in terms of density and tightness in the packaging of the tissue.
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Discuss your ideas on what gives these chemicals life, from a Christian worldview.
Contrary to common belief, bones are not a sign of death and lack of life as seen in the dry bones of Ezekiel 37:1-14 (English Standard Version, n.d.). The components of cells, blood vessels, pain receptors, and nerves demonstrate the high level of life present in the bones. Through these factors bones are capable of growth, repair, and change of shape according to the demands human beings exert on them.
References
Betts, J. G., Desaix, P., Johnson, E.,….& Young, K. A. (2017) Anatomy & Physiology . Houston, TX: OpenStax.
English Standard Version (Bible) Ezekiel 37:1-14 . Retrieved from https://www.biblegateway.com/passage/?search=Ezekiel+37%3A1-14&version=ESV
