| The route of circulation in the human heart is ? |
| (a)Left auricle--right auricle-right ventricle-Pulmonary artery-lungs-pulmonary veins-left ventricle-aorta |
| (b)Right auricle-right ventricle--pulmonary artery-lungs-pulmonary veins --left auricle--lett ventricle---aorta |
| (c)Right auriclc-left auricle-right ventricle--pulmonary artery--lungs-Pulmonary veins--left ventricle-aorta |
(d)Right auricle--right ventricle-pulmonary veins-lungs-pulmonary artery -left auricle-left ventricle-aorta  |
