STUDY OF THE BEEF HEART. 55 



structures in the heart, giving, when possible, 

 the number of each: 



1. Auricles. 5. Mitral valve. 



2. Ventricles. 6. Papillary muscles. 



3. Semilunar valves. 7. Chordae tendineae. 



4. Tricuspid valve. 



B. Name the chamber of the heart with which each 



of the following blood-vessels is connected: 



1. Aorta. 3. Pulmonary veins. 



2. Pulmonary artery. 4. Venae cavae. 



C. State all the differences which you note between 



1. Dorsal and ventral surfaces of the heart. 



2. Anterior and posterior ends of the heart. 



3. Auricles and ventricles. 



4. Largest veins and largest arteries. 



5. Mitral and tricuspid valves. 



6. Mitral and tricuspid valves and semilunar 



valves. 



D. Enumerate the differences between the right and 



left sides of the heart. 



