The Heart

• Right atrium: collect deoxygenated blood & pump it to right ventricle

  
• Right ventricle: pumps deoxygenated blood to lungs

  
• Pulmonary artery: carries deoxygenated blood from right ventricle to lungs

  
• Septum: separates left and right sides of the heart

  
• Pulmonary vein: carry oxygenated blood from lungs to left atrium

  
• Left atrium: collect oxygenated blood and pump it to left ventricle

  
• Left ventricle: pumps oxygenated blood to the body via the aorta

  
• Aorta: carries oxygenated blood from left ventricle to rest of body

  
• Tricuspid and bicuspid valves: prevent backflow of blood into the atria when ventricles contract (atria ventricular valves)

  
• Pulmonary and aortic valves: prevent backflow of blood from the arteries into the ventricles (semi-lunar valves)