A capillary is a small blood vessel, from 5 to 10 micrometres in diameter, and is part of the microcirculation system. Capillaries are microvessels and the smallest blood vessels in the body.

Dec 3, 2024 · Capillaries are tiny vessels that transport blood, nutrients and oxygen to cells in your organs and body systems. What are capillaries? Capillaries are delicate blood vessels …

Oct 19, 2025 · Capillaries are the smallest blood vessels in the body, connecting the smallest arteries to the smallest veins. They deliver oxygen and nutrients to cells while removing …

Capillary, in human physiology, any of the minute blood vessels that form networks throughout the bodily tissues; it is through the capillaries that oxygen, nutrients, and wastes are exchanged …

Jul 20, 2025 · There are three primary types of capillaries, categorized by their structure and degree of permeability. The most common are continuous capillaries, which have an …

Apr 24, 2023 · In short, capillaries are thin-walled vessels that allow for the transportation of nutrients and metabolites from the vasculature and into the interstitium to be taken up by cells. …

Mar 12, 2019 · Capillaries are very tiny blood vessels — so small that a single red blood cell can barely fit through them. They help to connect your arteries and veins in addition to facilitating …

Aug 3, 2023 · Capillaries are incredibly small and finer blood vessels connecting the arterioles with the venules. They are the smallest blood vessels in our body. Though it seems to be the …

Capillaries connect the smallest branches of arteries and veins. The walls of capillaries are just one cell thick. Capillaries therefore allow the exchange of molecules between the blood and...

capillary: Any of the small blood vessels that connect arteries to veins. microcirculation: The flow of blood through the smallest vessels such as arterioles, capillaries, and venules.