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  1. Capillaries: Function & Anatomy - Cleveland Clinic

    Dec 3, 2024 · What are capillaries? Capillaries are delicate blood vessels (tubes that hold blood) throughout your body. They bring nutrients and oxygen to cells in your organs and body systems. In …

  2. Structure and Function of Capillaries - Verywell Health

    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 …

  3. Function of Capillaries: Definition, Structure, Types, and Conditions

    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...

  4. Capillaries: Structure, 3 Types, Functions, Diseases

    Aug 3, 2023 · The major function of capillaries is facilitating the exchange of gases and nutrients between the bloodstream and tissues/cells. They form the blood-brain barrier, transferring selected …

  5. Capillary - Wikipedia

    There are two types of capillaries: true capillaries, which branch from arterioles and provide exchange between tissue and the capillary blood, and sinusoids, a type of open-pore capillary found in the liver, …

  6. Capillary | Blood Vessels, Exchange & Function | Britannica

    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 …

  7. 18.2F: Capillaries - Medicine LibreTexts

    Capillaries form a network through body tissues that connects arterioles and venules and facilitates the exchange of water, oxygen, carbon dioxide, and many other nutrients and waste substances …

  8. What Are Capillaries and What Is Their Function?

    Jul 20, 2025 · The primary purpose of capillaries is to exchange gases, nutrients, and waste products between the blood and the body’s tissues. They form intricate networks known as capillary beds, …

  9. Understanding Capillaries: Functions and Health Tips

    Capillaries are remarkable microscopic blood vessels that form an intricate network throughout your body, playing a crucial role in maintaining cellular health and function.

  10. Capillaries - Physiopedia

    Measuring just 5-10 μms in diameter, these microscopic vessels connect arteries and venules play an important role in moving water, oxygen, carbon dioxide, and various nutrients and waste chemicals …