This diagram covers Heart Structure and Blood Flow within The Heart and Circulation for GCSE Biology. Heart structure, cardiac cycle, blood vessels, double circulation, heart rate control, and cardiovascular health It is section 2 of 15 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.
Practice questions for The Heart and Circulation
How many chambers does the human heart have?
Explain how the structure of an artery is related to its function.
Quick recall flashcards
What is diastole?
When the heart relaxes and the chambers fill with blood
What is systole?
When the heart contracts and pumps blood out of the ventricles