The correct option is A (a)→(iii), (b)→(i), (c)→(iv), (d)→(ii)
A normal systolic blood pressure is 120 mmHg. A normal diastolic blood pressure number is 80 mmHg. Atria receives the deoxygenated blood from the different parts of the body while the ventricles pump the oxygenated blood away from the heart.