Answer:
Cardiac muscle cells are located in the walls of the heart, appear striated, and are under involuntary control.
Answer:
I think sociallogy means the good and nice characters of people who live in society
The heart failure that would result from this would be right heart failure. This failure would only affect the right part of the heart where it does not pump blood onto the lungs as do when it is in normal state. Common cause would be high blood pressure present in the pulmonary arteries which would increase the work of the right ventricle.
I believe it will be Africa.