**1.5 Right ventricle and Interventricular septum**

The right ventricle divide structure into two parts, the first extends from the tricuspid valve is the inlet. The inlet component ejected blood to the pulmonary artery through the second part, known as the outflow portion. It is a tubular structure about 1.5 cm long with a funnel shape, the top of which is the orifice of the pulmonary valve.

The interventricular septum is a membrane and muscle that separates the two ventricles. The interventricular septum also has two parts:


**Figure 2.** *Right ventricle free wall view (left) and septum view (right).*
