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

(a)  

Where is the SA node located?

(a)  

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

(a)  

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

(a)  

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

(a)  

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

(a)  

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?

(a)  

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

(a)  

What kind of cardiovascular disease/disorder is caused by a blood clot in the deep veins of the body?

(a)  

What kind of cardiovascular disease/disorder is caused by a sudden blockage of arteries in the lungs due to a blood clot?

(a)  

What kind of cardiovascular disease/disorder is caused by a blockage or bleeding in the brain that leads to death of brain tissue?

(a)  

What kind of cardiovascular disease/disorder is an irregular heartbeat caused by the interruption of e;electrical signals in the heart

(a)  

What kind of cardiovascular disease/disorder is caused by fatty deposits in the arteries of the arms or legs?

(a)  

What kind of cardiovascular disease/disorder is caused by blocked coronary arteries that lead to death of cardiac muscles?

(a)  

What kind of cardiovascular disease/disorder is caused by the narrowing or hardening of the aortic valve?

(a)  

What kind of cardiovascular disease/disorder of the heart muscle prevents the heart from working properly?

(a)  

What kind of cardiovascular disease/disorder is caused by the heart not pumping effectively, enlarging the heart, build up of fluids in the lungs, abdomen, and legs?

(a)  

What kind of cardiovascular disease/disorder is caused by a weak spot in the aorta that results in bulging or possible rupture of the aorta?

(a)  

What is the organ on the surface of the lung's air sacs called?

(a)  

What is the process of creating red blood cells, white blood cells, and platelets called?

(a)  

What is the most numerous of white blood cells, and is at the site of acute infection like bacteria or fungi by phagocytosis, and the cell engulfs a particle and digests it?

(a)  

What is the most numerous during parasitic worm infections, and gather around parasite and release enzymes?

(a)  

What releases histamine during allergic reactions?

(a)  

What attacks bacteria, produces antibodies, and its nucleus takes up most of the cell's volume?

(a)  

What migrates to tissues to fight infections?

(a)  

What is not a full cell in the sense, but more fragments of multinucleated cells?

(a)