Amount of blood in hea: (A) 250-300 ml, (B) 500-600 ml, (C) 1-2 litre, (D) 100-200 ml
Answer is B. Out of 5000 mL blood in our body 12% is in the hea cavitiesWhich is nearly 600Therefore generally 500-600 mL BLOOD IN HEARef: Ganong's Review of Medical Physiology Twenty-Third Edition Page No:543