What does the cardiovascular system do BBC Bitesize?
Structure of the cardiovascular system It carries oxygenated blood away from the left ventricle to the body. The vena cava is the largest vein in the body. It carries deoxygenated blood from the body back to the heart.
What does the cardiovascular system do GCSE PE?
Components of the circulatory/cardiovascular system In the lungs, carbon dioxide is removed from the blood, and oxygen taken up by the haemoglobin in the red blood cells. The systemic circuit carries blood around the body to deliver the oxygen and returns de-oxygenated blood to the heart.
What are the 3 basic structures of the cardiovascular system?
While there are numerous mechanisms and processes that help regulate and promote the circulation of blood, there are three main parts of the cardiovascular system.
- Blood.
- Blood Vessels.
- Heart.
What is the circulatory system BBC Bitesize GCSE?
The circulatory system consists of: a pump (the heart) valves to ensure a one-way flow of blood….Arteries and veins.
| Organ | Towards organ | Away from organ |
|---|---|---|
| Liver | Hepatic artery | Hepatic vein |
| Kidney | Renal artery | Renal vein |
What is the function of the alveoli GCSE PE?
Gaseous exchange Gas exchange occurs at the alveoli in the lungs and takes place by diffusion. The alveoli are surrounded by capillaries so oxygen and carbon dioxide diffuse between the air in the alveoli and the blood in the capillaries.
What are the main purposes of the cardiovascular system?
Your heart and blood vessels, the parts of the cardiovascular system, are important because they bring oxygen, nutrients and other good things to every cell in your body. They also take away carbon dioxide and waste. This supply of nutrients and the removal of waste is the main function of the cardiovascular system.