Red blood cells floating in blue background.
Schlüsselwörter
blood,
mobile phone,
red,
cell,
medicals,
vein,
health,
artery,
biology,
medicine,
science,
human,
three-dimensional,
macro,
virus,
disease,
cancer,
microscope,
microbiology,
flow,
infection,
aids,
life,
health care
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