Microscopic view of red blood cells flowing through a blood vessel, illustrating circulatory system.
Keywords
blood vessel,
blood flow,
erythrocytes,
artery,
vein,
capillary,
biology,
medicine,
health care,
health,
science,
bod,
anatomy,
physiology,
mobile phone,
cell,
circulation,
vascular,
plasma,
platelets,
blood pressure