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 (tubes that …

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 between the …

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 carbon dioxide to be …

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 uninterrupted endothelial …

Capillaries form dense networks between the arteries and the veins, and it is only in the capillary beds that interchange of oxygen, carbon dioxide and nutrients can take place with the cells.

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.

What Does a Capillary Do in the Circulatory System? Capillaries are tiny blood vessels that connect arteries and veins. They facilitate the exchange of oxygen, nutrients, and waste products between …

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 the exchange...

Dec 28, 2020 · While the capillary network used to be thought of as a permeable bridge between non-permeable arteries and veins, it is now known that these extensive structures help to regulate blood …