Red blood cells erythrocytes in interior of arterial or capillary blood vessel. Showing endothelial cells and blood flow or stream. Human anatomy model 3D visualization.
Heart

Anemia

What is anemia? Anemia is a medical diagnosis in which a person’s blood contains a lower…
5 min
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A senior man experiencing chest pain.  A senior woman comforts him.
Heart

Angina

What is angina? Angina, or angina pectoris, is chest pain that follows a decrease in the…
4 min
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