Page 27 - The Miracle of the Blood and Heart
P. 27
Blood: The Incomparable
Liquid of Life
ulous molecule known as hemoglobin (about which, you'll
find more details in the following pages). By expelling most of
their organelles and picking up hemoglobin, red blood cells
enable this molecule to perform its tasks in a reliable manner,
during its lifespan of approximately four months.
The red blood cell membrane serves an important sheath
for hemoglobin, which lacks a cell membrane of its own and is
therefore exceedingly vulnerable. Thanks to various enzymes
Various enzymes report to the stem cell in the bone marrow that
blood cells have completed their life spans. The stem cell then begins
producing new blood cells in line with the body's needs.
Adnan
Stem cell Oktar
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