Circulatory system

The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. Combined with the cardiovascular system, the circulatory system helps to fight off disease, helps the body maintain a normal body temperature, and provides the . This network supplies tissues in the body with oxygen and other nutrients, transports hormones, and removes unnecessary waste products.

This animation features the heart and circulatory system and how they work.

For more information, visit: . The blood circulatory system (cardiovascular system) delivers nutrients and oxygen to all cells in the body. It consists of the heart and the blood . Together, your heart and blood vessels make up your cardiovascular system , which circulates blood and oxygen around your body. Blood must always circulate to . Learn heart anatomy for free. How does the circulatory system work?

What is the difference between arteries and veins?

What are the parts of the human heart? It delivers essential substances to the cells of the body. Our bodies actually have two circulatory systems : The pulmonary circulation is a short loop from the heart to the lungs and back again, and the systemic circulation . Functions of blood and circulation:. Simplified diagram of the circulatory system.

Open circulatory systems (evolved in insects, mollusks and other invertebrates) pump blood into a hemocoel with the blood diffusing back to the circulatory system. The heart and circulatory system make up your cardiovascular system. Your heart works as a pump that pushes blood to the organs, tissues, and cells of your . Tutorials and quizzes on the anatomy and physiology of the circulatory system or cardiovascular system, using interactive animations and diagrams. This process is called circulation. Once the blood has gathered more oxygen from the . Contrasting student and scientific views.

Circulatory system. The vascular system, also called the circulatory system , is made up of the. This continuously pumps about five litres (eight pints) of blood around your body through a network of blood vessels called your circulatory system. This remarkable system transports oxygenated blood from the lungs and heart .

Multicellular organisms have developed transport and circulatory systems to deliver oxygen and food to cells and remove carbon . High fat diets can lead to formation of fatty plaques lining blood vessels. Most vertebrates and some . As the heart beats, it pumps blood through a system of blood vessels, called the circulatory system. The vessels are elastic tubes that carry blood . Discover more about circulatory system at . Explore the role of the heart and blood vessels, and discover how they work together. The system consisting of the heart, arteries, veins, and microvascular beds is organized as the pulmonary circulation and the systemic circulation. Similar term(s): cardiovascular system.

Definition: The system that contains the heart and the blood vessels and moves blood throughout the . The cardiovascular system consists of the heart, blood vessels, and the. In the pulmonary . The endothelium lines the entire circulatory system , all the way to the .