CAIE IGCSE Biology 9.2.7 Atrioventricular and Semilunar Valves Questions
Practise locating atrioventricular and semilunar valves and relating their positions to one-way blood flow.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- identify atrioventricular valves between each atrium and ventricle
- identify semilunar valves at the bases of the aorta and pulmonary artery
- state which pressure difference opens or closes each valve to prevent reverse flow
