Even when we think we’ve mastered our understanding of how the human body works, we’re still baffled by its mysteries. For instance, we know that special cells in your bones, osteoclasts (bone breakers), and osteoblasts (bone builders), draw several millimeters of material from your bone’s interior and then uses this natural plaster to coat your bone’s exterior each week for twenty years. This structural transformation is duplicated in every human being until maturity.
But how does the human body know how much material to transfer, where it’s to be deposited, and when to stop? Where did the roadmap to regulate and replicate our body’s myriad of specialized design features come from? One thing we know for sure is that with regard to our skeletal system, the end result (the size, integrity, and density of our bones), is critical to survival on a planet with earth’s gravity profile.
When fully formed, your skeletal structure is many times larger than its original size and eight times stronger than reinforced concrete. Like rods of steel, fibers of collagen crisscross your bone’s calcium filling for reinforcement at a tensile strength greater than cast iron. Your shin bone can support a weight of nearly two tons and be subjected to pressures up to twenty thousand pounds per square inch. Yet bone is flexible and amazingly light—light enough to float in water. If steel were used instead, a 160-pound man would weigh nearly eight hundred pounds. And in your body’s most protected confines, the bone’s interior, blood, our most important life-sustaining ingredient, is manufactured.
The key to the design of all of our dynamic, self-perpetuating bodily systems is the imbed coding that triggers and maintains its critical functions—coding that is much easier to explain if we attribute its origins to an intelligent source rather than a series of random accidents in DNA replication.