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Valves prevent the backflow of blood, in this case the semilunar valves stop blood flowing back into the heart.

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12y ago

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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.


What contract together to pump blood?

The ventricles contract to pump blood out of the heart.


What type of muscle tissue lines hollow structures like ducts and blood vessels that contract involuntarily?

Smooth muscle (involuntary)lines ducts and vessels.


The force with which the contract causes blood pressure?

the force with which what the contract causes blood pressure


What structures filter blood in the kidneys?

The structures are the glomerulus and tubules.


When the atria contract the blood is forced into the?

The blood is squeezed into the ventricles.


When the ventricles contract blood is pumped...?

Yes. Actually when any of the 4 chambers contract the pump blood. The ventricles pump blood to the body and to the lungs.


What structures make the heart an efficient pump?

The left and right ventricles, which when they contract pump blood into the systemic and pulmonary curcuits.


Which structures control the flow of blood through the heart and What governs the functioning of these structures?

Valves and blood vessels control the flow of blood through the heart. The aorta governs the functioning of these structures by being the main artery in the cardiac system.


Title of songs with contract in the title?

(Artist) Title(Armageddon) The Contract(Mass Undergoe) Leech Of Contract(Onslaught) Contract In Blood(Status Quo) No Contract(Running Wild) The Contract(Flight Of The Conchords) A Kiss Is Not A Contract(Ace Troubleshooter) Blank Contract(Fleshless) Contract Of Blood(Badfinger) Rock 'n' Roll Contract(Throbbing Gristle) Record Contract(Halfwayhome) Contract With A Ghost(Public Enemy) Contract On The World Love Jam(Magazine) Sweetheart Contract


How we can use the word contract as a verb?

Contract meaning become shorter: The heart contracts and blood is expelled into the veins. Contract meaning a legal agreement to do something: We will contract you to deliver the pamphlets Contract meaning to become ill from some disease; He contracted AIDS from a blood transfusion


Where is blood pumped when ventricles contract?

Into the heart