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blood vessel: Quick Facts

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Photos and Videos

Diagram of the circulatory system showing a red artery carrying blood from the heart, branching into smaller arterioles and capillaries, then merging into blue venules and a vein returning blood to the heart.
Zebra fish brain vasculature
Lung capillary
Examples of extracellular fluids include lymph and plasma.
Gloved hands hold a blood sample tube above a rack of vials in a laboratory, illustrating blood analysis in human body science.
Understanding the human cardiovascular system
How do bruises form?
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Key People

DeBakey, Michael
Michael DeBakey
American surgeon
Alexis Carrel.
Alexis Carrel
French surgeon, sociologist, and biologist

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