Anatomy
The heart is enclosed in a double walled sac called the ____
The heart is divided into ___ chambers.
What is the name of the two receiving chambers of the heart?
The left ventricle discharges blood into the ____, from which all systemic arteries of the body diverge to supply the tissues of the body.
Blood flows through the heart on one direction - from the atria to the ventricles.
The right atrioventricular valve, or the ______, prevents backflow of blood into the right atrium when the right ventricle is contracting.
The heart serves as a double pump. The ___ side serves as the pulmonary circuit pump, sending carbon dioxide rich blood to the lungs.
The blood vessels that supply blood to the heart itself are the _____
Two microscopic features of cardiac cells are branching of the cells and:
In the heart, the _____ ventricle has thicker walls and a basically circular cavity shape.