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circulatory system
Also known as: vascular system, blood circulatory system
Facts (36)
Sources
7 Major Organ Systems: Functions and Connections instituteofhumananatomy.com Nov 23, 2025 20 facts
claimExamining the human body in three dimensions allows students to observe how the nervous, digestive, and circulatory systems interact within an actual anatomical setting.
claimThe human body relies on seven major organ systems to function effectively: the circulatory, nervous, respiratory, digestive, urinary, musculoskeletal, and endocrine systems.
claimWhen human body temperature is too low, the musculoskeletal system generates heat through shivering, while the circulatory system constricts surface blood vessels to conserve warmth.
claimThe circulatory system partners with the respiratory system to deliver oxygen from the lungs to tissues and remove carbon dioxide.
claimThe circulatory system serves as a delivery network for hormones produced by the endocrine system.
claimThe nervous system regulates the circulatory system by using baroreceptors to detect blood pressure changes and signal the brain to adjust heart rate and blood vessel diameter.
claimTo regulate body temperature when hot, the hypothalamus triggers sweating via the integumentary system, increases blood flow to the skin via the circulatory system, and encourages heat-releasing behaviors.
claimThe circulatory system transports hormones from their production sites to target organs, such as insulin traveling from the pancreas to muscle and liver tissues.
claimRegulating human blood pressure relies on the circulatory system to pump blood, the nervous system to monitor pressure, the endocrine system to release hormones, and the urinary system to adjust fluid levels.
claimThe circulatory system supports the digestive system by carrying absorbed nutrients through capillaries to the liver via the hepatic portal vein for distribution throughout the body.
claimAfter eating, the human digestive system breaks down carbohydrates into glucose, which the circulatory system then transports into the bloodstream.
claimRed blood cells in the circulatory system contain hemoglobin, a protein that binds oxygen in the lungs and releases it to tissues.
referenceThe circulatory system delivers oxygen and nutrients to cells, the nervous system controls responses and coordination, the respiratory system ensures gas exchange, the digestive system processes food, the urinary system removes waste, the musculoskeletal system provides movement and support, and the endocrine system regulates processes using hormones.
claimDuring exercise, the human circulatory system increases the rate of blood flow to deliver oxygen and nutrients to the muscles.
claimThe kidneys interact with the circulatory system by filtering the blood supplied by the circulatory system and producing hormones that influence both the circulatory and endocrine systems.
claimThe skeletal system functions as a key component of both the circulatory and immune systems due to the blood cell production occurring in bone marrow.
claimThe circulatory system supports the digestive system by transporting nutrients absorbed from food to cells.
measurementThe circulatory system moves approximately 2,000 gallons of blood daily through 60,000 miles of blood vessels.
quoteYour circulatory system, or cardiovascular system, supplies oxygen and nutrients to your whole body and removes waste through your blood. Your heart pumps blood that flows through your arteries, veins and capillaries. These blood vessels and your heart form your circulatory system. They work together to ensure your cells have what they need.
claimDuring a stress response, the nervous system detects danger and signals the endocrine system to release hormones like adrenaline and cortisol, which travel through the circulatory system to trigger physiological changes.
Human body systems: Overview, anatomy, functions | Kenhub kenhub.com 10 facts
claimThe cardiovascular system is comprised of the heart and the circulatory system of blood vessels.
claimThe 11 systems of the human body are the integumentary system, skeletal system, muscular system, endocrine system, cardiovascular (circulatory) system, lymphatic (immune) system, respiratory system, digestive system, urinary system, reproductive system, and nervous system.
claimEndocrine glands secrete hormones directly into the circulatory system to regulate the function of distant target organs.
claimThe circulatory system, also known as the vascular system, consists of a continuous network of arteries, veins, and capillaries that carry blood around the body.
claimIn the human circulatory system, venules leave capillaries and gradually increase in lumen size to become veins on the way back to the heart.
claimThe circulatory system, also known as the vascular system, consists of a continuous network of arteries, veins, and capillaries that carry blood around the body.
claimThe lymphatic system is a network of lymphatic vessels that drains excess tissue fluid (lymph) from the intercellular fluid compartment, filters it through lymph nodes, exposes it to lymphocytes of the immune system, and returns the fluid to the circulatory system.
claimThe cardiovascular system is comprised of the heart and the circulatory system of blood vessels.
claimThe circulatory system consists of three separate circuits: the pulmonary circulation (between heart and lungs), the coronary circulation (supplying blood to the heart muscle), and the systemic circulation (carrying blood to the rest of the body).
claimCleaned lymph is returned to the circulatory system from the venous angles, rejoining the blood fluid.
How the Immune System Works with Primary Immunodeficiency igcares.com 1 fact
claimThe blood circulatory system transports cells and proteins of the immune system throughout the body.
Systems and organs | Anatomy and Physiology | Research Starters ebsco.com 1 fact
claimThe cardiovascular system (also called the circulatory system) is composed of the heart and blood vessels and functions to pump blood containing oxygen and nutrients like sugars, proteins, and fats to all parts of the body.
Biological and Biochemical Foundations of Living Systems - AAMC students-residents.aamc.org 1 fact
referenceThe AAMC 'Biological and Biochemical Foundations of Living Systems' content category covers the structure and function of major human organ systems, specifically the respiratory, circulatory, lymphatic, and immune systems.
List of systems of the human body - Wikipedia en.wikipedia.org 1 fact
referenceThe circulatory system circulates blood to transport nutrients, waste, hormones, oxygen, and carbon dioxide, and aids in maintaining pH and temperature, utilizing blood, the heart, arteries, veins, and capillaries.
Human body | Organs, Systems, Structure, Diagram, & Facts britannica.com 8 days ago 1 fact
claimThe circulatory system is composed of the heart, blood, and blood vessels; it circulates transport fluid to provide cells with oxygen and nutrients while removing waste products like carbon dioxide and toxic nitrogen compounds.
Modern Diet and its Impact on Human Health - Longdom Publishing longdom.org 1 fact
claimCommunication between organs and tissues is established through the circulatory and signaling systems of the gastrointestinal tract and the inner system.