Some valves lie between the atria and some valves lie between the atrium and the ventricle
Arteries carry blood away from the heart. Veins return blood to the heart.
Valves can be found in the heart. They sit between the Atria and the Ventricles and help aid cardiovascular activity.
Yes the "heart beat" is just the sound of the valves opening and closing, not the sound of the blood being pumped.
The difference between lub and dub (The heart sounds S1 and S2 of a heartbeat) is that the lub occurs when atrioventricular valves close, and dub occurs when the aortic and pulmonary valves close (valves leading out of the heart from the left and right ventricles).
It means "atrioventricular". It refers to the valves between the atria and the ventricles.
The atrioventricular valves are located between the atria and the ventricles. The semilunar valves are located between the ventricles and the arteries leaving the heart.
lub dub lub is when the av valves close and dub is when the semi lunar valves close
Heart sounds are created by the relationship between the valves of the heart and the surface of the thorax.
The AV valves lie between the atria and the ventricles of the heart. The closing of these valves produces the lub-dub sound heard when the heart is auscultated.
Arteries are more elastic but have smaller lumen. They carry blood away from the heart. Veins are less elastic have larger lumen and have valves. They carry blood to the heart.
They are the representation of the heart's sounds, one made by interior valves closing and one by the exterior valves at the exit of the ventricles.Lub: Valves closing between atria and ventricles.Dub: Aortic and pulmonary valves closing (semilunar valves).
Smart valves produce gas faster