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blood vessel
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circulatory system blood vessel; zebra fish brain vasculature
How much blood is in the human body?
lung capillary Examples of extracellular fluids include lymph and plasma.
Understanding the human cardiovascular system
How do bruises form?
Quizzes
Male muscle, man flexing arm, bicep curl.
Facts You Should Know: The Human Body Quiz
Superficial arteries and veins of face and scalp, cardiovascular system, human anatomy, (Netter replacement project - SSC)
The Human Body
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Diagram showing human heart
What’s the Difference Between Veins and Arteries?
pulmonary veins and arteries, circulation, cardiovascular system, human anatomy, (Netter replacement project - SSC)
13 Questions About How the Human Body Works Answered
Discover
airplane in flight (plane, aircraft, flying)
7 Puzzling Plane Disappearances
Martin Luther King, Jr.
Why We Celebrate MLK Day
Lake Mead (the impounded Colorado River) at the Hoover Dam. The light-coloured band of rock above the shoreline shows the decrease in water level in the first few years of the 21st century.
6 Lakes That Are Drying Up
The Battle of Gettysburg, July 1-3, 1863. (Civil War, Pennsylvania)
9 Worst Generals in History
Wasp spider. Argiope bruennichi. Orb-weaver spider. Spiders. Arachnid. Cobweb. Spider web. Spider's web. Spider silk. Black and yellow striped wasp spider spinning a web.
Do We Really Swallow Spiders in Our Sleep?
Washington, D.C. locator map.
What State Is Washington, D.C. In?
Rainbow flag. Sign of diversity, inclusiveness, hope, yearning. Gay pride flag popularized by San Francisco artist Gilbert Baker in 1978. Inspired by Judy Garland singing Over the Rainbow. gay rights, homosexual, gays, LGBT community
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blood vessel: Related Content

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News •

Rapid generation of functional blood vessels from human stem cells • June 14, 2025, 1:57 AM ET (News-Medical)
Organoids containing blood vessels have been grown, holding promise for research and treatment • June 5, 2025, 10:01 AM ET (Medical Xpress)
Muscle wasting in cancer tied to blood vessel dysfunction • May 30, 2025, 2:33 AM ET (News-Medical)

Photos and Videos

circulatory system
blood vessel; zebra fish brain vasculature
lung capillary
Examples of extracellular fluids include lymph and plasma.
How much blood is in the human body?
Understanding the human cardiovascular system
How do bruises form?
See All Videos and Images →

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Key People

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

Related Quizzes and Features

Quiz
Male muscle, man flexing arm, bicep curl.
Facts You Should Know: The Human Body Quiz
Superficial arteries and veins of face and scalp, cardiovascular system, human anatomy, (Netter replacement project - SSC)
The Human Body
Male muscle, man flexing arm, bicep curl.
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List
pulmonary veins and arteries, circulation, cardiovascular system, human anatomy, (Netter replacement project - SSC)
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Demystified
Diagram showing human heart
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