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The valves are attached to the heart wall by tendons as this allows the closure of the vavles to be controlled it also makes sure the the valve is completely closed to prevent backflow, which is potentially fatal.

OK i can only assume the question is reffering to the tendinae chordinae which connect the atrioventricular valves to the pappilary muscles projecting from the heart wall? The functions of these structures is to prevent the massive pressure difference, between the vetrivles and actria during systole, from pushing the the valve inside out and thus preventing backflow. NB the pappilary muscles and chordea tendinae are not involved in clossing or openinghte valves they just stop inversion.

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13y ago
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11y ago

A tendon is a band of white tough fibrous connecting tissue that attaches a muscle to a bone. The tendon of the heart joins muscle of the heart which aids it in contraction to the bone of the thorax called the sternum

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16y ago

The tendons stop the valve from flapping back and letting blood back flow

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14y ago

they ensure that when the valves are supposed to open that they stay open by A2

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14y ago

Tendons keep the mitral valve closed when the left ventricle contracts.

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Q: What is the function of a valve tendon in the heart?
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