In vertebrates, the circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the body. It includes the cardiovascular system, or vascular …

Dec 8, 2025 · The circulatory system is the network of tissues, blood vessels, lymph vessels, and supporting components that transports nutrients, respiratory gases, and metabolic products …

Unit 2: Circulatory system anatomy and physiology About this unit Your heart sits in the middle of your chest and pumps blood from about 4 weeks after conception until the day that you die. This little …

Aug 29, 2024 · Your circulatory system moves 2,000 gallons of blood a day and more, depending on how active you are. Learn more about this important body system.

Apr 13, 2025 · The circulatory system is a masterpiece of biological engineering—a living infrastructure that connects every cell, every organ, and every function within your body. From the heart’s rhythmic …

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. It consists …

Oct 19, 2025 · The cardiovascular system, also known as the circulatory system, includes the heart and blood vessels. It plays an important role in transporting blood to organs and tissues throughout the …

May 22, 2025 · The cardiovascular system, also known to some as the circulatory system, consists of the heart, blood vessels, and blood. Learn more about it here.

Sep 12, 2023 · The circulatory or cardiovascular system is composed of the heart, blood vessels and the blood. It delivers essential substances to the cells of the body.

Feb 17, 2020 · Your circulatory or cardiovascular system serves a vital function by delivering oxygen and nutrients to all the organs and tissues of your body. Learn more about how the circulatory …