The passage into the “interior environment”

It is in a new environment that our molecule will circulate, carried by blood vessels. It is collected by the multiples small vessels which will direct it towards the liver. Part of the calcium circulates in dissolved form in blood and a part binds to some organic blood components. The liver is an enormous factory. This factory, like any other, will use the gross products to transform it into finished products. It would be interesting to know which quantity of calcium is collected permanently by the liver - day and night - for its personal needs and for its production.

Quitting the factory, our disintegrated molecule, and/or what it remains about it, moves towards the right heart then the lungs then the left heart. Notice that the heart is a muscle which, as any respected muscle, consumes calcium. It would be quite interesting though to know how much calcium quantity is collected permanently, day and night, by the cardiac muscle. Let us keep in mind that this pump functions 24 hours a day without discontinuity at a rate of 65 blows per minute in average. Also, let us not forget that this clock is regulated by an internal mechanism that needs calcium to function.

The small armada of swallowed molecules starts to decrease seriously and, unfortunately for our bones, in an inevitable way. Passed the left heart, where do these molecules go or what does it remains about them? Some move towards the North Pole, located under the skull. The brain is indeed a large calcium consumer. Others move towards the different cardinal points, the East and the West, i.e. the two arms, and towards the South, i.e. the stomach and the legs. We saw that the muscles are also large calcium consumers; they take their share with the passage. Therefore, it would be still interesting to know which quantity of calcium “is caught” by a subject at rest, walking, running or practicing sport or at strenuous work.

Lastly, the little calcium that remains of our original stock will arrive into the bones. There is however a last pitfall. It is almost known of all that the muscles stick to the bones. One could think naively that the calcium from the muscles can reach partly the bones by the means of the vessels. Even better, that they penetrate the bones! Then, would you say, where is the problem?

The passage into the bones: the blood way

I will answer “There is no problem. Or else it is nature itself the problem. In this case, since nature is responsible, it is nature that should stand one's trial!” Obviously, this answer will not satisfy the scientists or the exegetes of all kind. This is however the truth. The vessels coming from the muscles vascularized only the external one/third of our long bone wall. That means that the remaining available calcium after the “inevitable” raid will finish its race only partially in our bones.

Concerning the inside of the bone, calcium must penetrate there via an artery known as a “feeder”, as its name indicates it intends to make sure that all that is necessary “to nourish” the bone penetrates with it. It is well known that this artery - like all the vessels - can be the seat of a disease that stops the vessels, all the more frequently as one is older. That has a name: arteriosclerosis.
This means that our calcium, innocent as a newborn child, risks to find out at its paradise (the bone) only closed doors or more exactly doors blocked by a thrombosis (a stopper), similar to the one that can abruptly close the eye artery. One conceives without pain that this artery should be unblocked if one wishes to say “hello to Kansas ” again, for instance. We hardly conceive then, under these conditions, that our calcium bank which is our skeleton, can reconstitute its reserves if we do not find another way than blood.

Several reasons imply “to do something”. The first is ethical. It is not acceptable to let deteriorate our capital – at the opposite of what it's happening today. Who would appreciate that one robbed Fort Knox without reacting? The gold of our bank is the calcium of our bones, but the difference however is that our bones are not a prison. Should it be added that we accepted the legitimate protection built for Fort Knox ; despite we did not worry about the fact that our bones are robbed! A piece of metal between four walls is much worth than our skeleton containing the precious calcium. Let's accept this fact!

The second reason is that since we spent our entire life picking in the only abundant place, it seems logical to try to reconstitute our reserves at this place precisely. We have then at our disposal two ways to refill this calcium. One is long, we saw it. It begins at the mouth and ends “in fine” in our bones. Indeed, even if it is true that all roads lead to Rome , some leads are faster and easier than others.

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