Perhaps I have a few questions for Science. And, I believe it is advanced enough that it should have answers. If it does, however have answers to all my questions, it seems we would be further on the road to figuring out good health and maybe even longer life.
Science: We are discussing muscles. First, how are muscles built, exactly? When I exercise, it seems the exercise, itself, might condition the muscle. How does it do that? I assume the muscle contracts. What of food, and nutrition? Does the exercise serve to draw the food into the muscle, or does exercise not have anything to do with the transfer of food to the muscle?
What is the condition of a stiff muscle? Is it contracted? When we stretch and flex, what do the muscles do? Do they expand, become longer, what? How does blood flow and circulation interact with the muscles? Do the veins and arteries leak blood to the muscles? For if the veins and arteries contain the blood without any seepage, then it would seem the muscles have no interaction, no way of taking the nutrients in.
What impact does oxygen have on the different states of the muscle? When the muscle is stiff, does it have less oxygen in it?
Do muscles wear out through continuous use, or can they forever be rejuvenated? What is the condition of a worn-out muscle? Is it brittle, limp, what? Can the limpness be altered, so the muscle remains healthy?
I do not think it impossible for the human to live indefinitely. But, to do so, it must remain in good condition, obviously. Having muscles that do not deteriorate seems to be one piece in the puzzle for keeping our bodies in functioning form indefinitely..
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