Step-by-step explanation:
I found a picture on the internet that is missing in your question and on this picture there are labels from your question that I have recognized.
The heart is divided in our body into 4 chambres that are considering that there are two atria and two ventricles.
A. PULMONARY VALUE
B. TRICUSPID VALUE
C. SEPTUM
D. BICUSPID VALUE
E. AORTIC VALUE
F. AORTA