Circulatory system diagram: This comprehensive illustration combines a full-body

This comprehensive illustration combines a full-body view of the circulatory system with detailed heart anatomy, showing both external and internal perspectives of blood flow. The circulatory system is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases, stabilize temperature and pH, and maintain homeostasis. Simplified diagram of the human Circulatory system in anterior view. (Public Domain; LadyofHats) The cardiovascular system includes the heart and blood vessels. This article covers normal and abnormal circulatory system function. Explore the human circulatory system in detail. Understand the heart structure, blood vessels, and the process of single and double circulation with examples and diagrams.