River of life (2)

The body’s river retains an age-old tie to Earth‘s waters.  Like it’s prototype the ocean, blood is a crowded sea, teeming with a diverse society of cells that carry out specific tasks and coexist in strict proportions.  So critical is this balance that a decline in the population of any one element can endanger life.

The red blood cells constitute about 45% of blood’s volume.  EVERY red blood cell contains about 270,000,000 complex proteins to carry oxygen to our body parts.  In turn, so many red cells crowd the bloodstream of a single human that stacked, these cells could reach 31,000 miles in the sky.

Amazing isn’t it?

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