FIG. 117. Emptying of the foetal heart in systole. Enlarged figure of the heart of a new-born 

 child. 1, innominate artery; 2, right pulmonary artery; 3, ascending aorta; 4, pulmonary 

 artery ; 5, right auricle ; 6, right ventricle ; 7, descending aorta ; 8, left ventricle ; 9, left 

 auricle; 10, left pulmonary artery; 11, ductus arteriosus Botalli 12, carotid and left sub- 

 clavian arteries. 



