IB Syllabus Content “Core"
2.2 Structure and Function of the Cardiovascular System
2.2.3 Describe the
anatomy of the heart with reference to the heart chambers, valves and major
blood vessels
The names of the four chambers, four valves
(bicuspid, tricuspid, aortic and pulmonary valve) and the four major blood
vessels (vena cava, pulmonary vein, the aorta and pulmonary artery) of the
pulmonary and systemic circulation are required. The heart has its own blood supply via the
coronary arteries, however the names of the coronary arteries are not required.
2.2.5 Outline the
relationship between pulmonary and systemic circulation
IB Syllabus Content “Options”
C.2.1 Outline the coronary circulation
Left and right coronary arteries, circumflex artery and left anterior descending artery should be identified
C.2.2 Outline what is meant by the term atherosclerosis
