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What is a cuspid valve?

Cuspid valves are right and left atrioventricular (AV) valves.


Do cuspid valves open into the aorta?

yes


What do the atrioventicular valves prevent?

They prevent blood from backing up, or going backwards, into the atria.


Does blood flow backwards in elderly people?

Blood veins have valves that prevent blood from flowing backwards.


Do the valves in the heart prevent the blood from flowing backwards?

That is so true! In fact it is the function of the heart valves.


What flaps of connective tissues prevent blood from flowing backwards in the heart?

Valves.


What are the fibrous structures in the heart that prevent prolapse of the cuspid valves?

Chordae tendineae - attached to the valves between both atria and ventricles... these structures are attached to papillary muscles in the bottom of the ventricles. these contract when the valves contract, this keeps the blood from going back up into the atria.


Why are the openings of auricles and ventricles are guarded by valves?

Valves are needed to prevent blood flowing backwards into the heart.


Valves inside the veins prevent blood from flowing where?

Heart valves help prevent blood from flowing backwards through the chambers of the heart. They open only one way to allow blood to flow through to the next chamber, and close against flow of blood from the other directon.


What do veins have which prevent blood from flowing towards the heart?

Veins have valves which stop the blood from flowing backwards


Are the chambers in the heart connected?

yes they are, only separated by small valves,which are there to prevent the backwards flow of blood


What are their functions similar atrioventricular and semilunar valve?

Atrioventricular valves prevent backwards flow of blood inside the heart, i.e. flow from the ventricles back to the atria. Semilunar valves prevent backwards flow of blood into the heart from the aorta (left ventricle) or the pulmonary arteries (right ventricle).