About 40,700,000 results
Open links in new tab
  1. Circulation | Definition, Characteristics, & Function | Britannica

    Oct 11, 2025 · Circulation, the continuous movement of blood throughout the body, driven by the pumping action of the heart. The circulation of the blood links the sites of oxygen utilization …

  2. How Your Circulatory System Works - Cleveland Clinic

    Sep 4, 2024 · When blood gets oxygen from your lungs and brings it back to your heart, that’s your pulmonary circulation. Systemic circulation describes supplying oxygen-rich blood to your …

  3. In brief: How does the blood circulatory system work?

    Nov 21, 2023 · The blood circulatory system (cardiovascular system) delivers nutrients and oxygen to all cells in the body. It consists of the heart and the blood vessels running through …

  4. Circulatory System or Cardiovascular System

    Dec 23, 2024 · The human circulatory system or cardiovascular system is a network responsible for transporting blood, oxygen, nutrients, hormones, and waste products throughout the body. …

  5. What is the Circulatory System? Functions, Parts, and Flow Explained

    Apr 13, 2025 · To act as the conduits through which blood travels—transporting oxygen, nutrients, hormones, waste products, and immune cells. There are three main types of blood vessels: …

  6. What is: Circulation - Understanding Blood Flow

    Sep 28, 2024 · Circulation refers to the continuous movement of blood throughout the body, facilitated by the heart and blood vessels. This vital process ensures that oxygen and nutrients …

  7. CIRCULATION Definition & Meaning - Merriam-Webster

    The meaning of CIRCULATION is orderly movement through a circuit; especially : the movement of blood through the vessels of the body induced by the pumping action of the heart.

  8. Circulatory System: Function, Organs, Diseases - Healthline

    Feb 17, 2020 · It works to transport oxygen and other nutrients to all the organs and tissues in your body. It also works to remove carbon dioxide and other waste products. Having a healthy …

  9. Circulatory System: Definition, Diagram And Functioning

    Jun 2, 2024 · The circulatory system involves the circulation of blood throughout our body, and thus includes the transportation of gases, nutrients, waste products, etc. The basic …

  10. Circulation | definition of circulation by Medical dictionary

    circulation Movement in a circle or around a circuit, especially the movement of the blood through the arteries, capillaries and veins, as a result of the pumping action of the heart.