How are atria and ventricle differ?

Answer 1

The atria are on the top, and ventricles on the bottom.

The atria are smaller, and the ventricles bigger.

The atria receive blood coming into the heart, and the ventricles send blood out of the heart.

The contraction of the atria end diastole, and the contraction of the ventricles end systole.

Answer 2

uricles are part of the atria and serve to increase the volume of the atria. The atria that they are a part of serve to direct blood into the ventricles and are not very muscular.

The ventricles are far more muscular than the atria and serve to pump blood to either the lungs or the rest of the body ( the right and left ventricles respectively).

Answer 3

"Same thing.....auricles of heart are also called atria (singular: atrium)."

The atrium is a compartment in the heart, the inner surfaces of which differ from that of the auricle, which is a small out-pouching of the atrium that can be seen on the outer surface the heart as rugged folds of membranes, hence the name (which also can be used to refer to the shape of the external ear's cartilidge, ear pinna.) The auricles inner surface isn't smooth, and the auricle has significance embryologically, that is, in the development of the heart between the 3rd and 4th week. (Significant structures present include "Sulcus terminalis and Crista terminlais)

Answer 4

Atria and ventricles are the anterior and posterior chambers of heart.Oxygenated blood flows through left atria,which inturn opens into left ventricle.Right atrium receives de oxygenated blood from all the parts of the body with the help of superior and inferior venacavae (or) 2 precaval and one postcaval vein.Atrial walls are thinner than that of ventricles.They extend over ventricles forming an auricular appendix.Left and right atria open into ventricles through apertures guarded by bicuspid and tricuspid valves

Answer 5

The atria receive blood from outside the heart and pump it into the ventricles. The ventricles receive blood from the atria and pump it out of the heart.

Answer 6

The aorta is the large artery that carries all the blood from the heart to the rest of the body; the ventricles are part of the heart itself (the main pumping part).

Answer 7

The atria are the top two chambers of the heart. The ventricles are the bottom two chambers.