healthcare cardiovascular study :P

What system acts to decrease or increase heart rate?

What system causes the heart muscle depolarization from atria to ventricles?

Where is the SA node located?

Where is the AV node located?

• In the junction of the atria and ventricles.

• In the aorta of the heart.
• In the right ventricle of the heart.
• In the left atrium of the heart.

What layer of the heart lines the inside of the heart and protects the valves and chambers?

What layer of the heart forms a protective layer that consists of connective tissue and forms the innermost layer of the pericardium?

What layer of the heart forms a thin, double layer, protective coating that surrounds the other parts of the heart?

What kind of cardiovascular disease/disorder is the narrowing of the coronary arteries in the heart due to fatty deposits?

What kind of cardiovascular disease/disorder is the stretching of the mitral valve causing blood to backflow Rome the left ventricle to the left atrium?

What kind of cardiovascular disease/disorder is the inflammation of the heart valves due to a streptococcus bacterial infection?