- A Right atrium
- B Right ventricle
- C Left atrium
- D Left ventricle
Correct answer: D. Left ventricle
Explanation: The left ventricle pumps oxygenated blood to the body via the aorta (systemic circulation). It has the thickest walls.
Concept context
Blood, lymph, the heart, the cardiac cycle, blood pressure, and ECG. High NEET weightage.