Red blood cells flowing through a blood vessel in a close up view
Schlüsselwörter
red,
blood,
cell,
circulation,
medicals,
health,
biology,
science,
vessel,
vein,
artery,
oxygen,
transport,
erythrocytes,
plasma,
fluid,
organic,
microscopic,
anatomy,
physiology,
body,
internal,
flow,
movement,
abstract,
close,
up
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