1
A shallow groove on the diaphragmatic, posterior surface of the heart, which marks the division between the right and left ventricles.
2
A shallow groove on the sternocostal, anterior surface of the heart, which marks the division between the right and left ventricles.
3
located between the atria and the ventricles and prevent the blood in the ventricles from flowing back into the atria.
4
The _________ ______divides the left and right ventricles.
5
The ________ _____ separates the left and right atria.
6
Prevent the back flow of blood from the pulmonary trunk and the aorta to the right ventricle and left ventricle, respectively.
7
It is a semilunar valve with three crescent-shaped cusps. The cusps are attached partly to the wall of the right ventricle and partly to the walls of the pulmonary trunk.
8
A groove on the external surface of the heart, which marks the division between the superior atria and the inferior ventricles.
9
It is a semilunar valve with three crescent-shaped cusps. The cusps are attached partly to the wall of the left ventricle and partly to the walls of the aorta.
10
The ________ are the two lower chambers of the heart positioned near its apex.
11
The atria posses small semi-elastic pouches called ______, that expand when filled with blood.
12
The _____ are the two upper chambers of the heart and are positioned near its base.
13
The ______ is a myocardial muscular pump consisting of four chambers, two auricles, four valves, and a muscular septum.
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