The fibrous cords that connect tricuspid and bicuspid valves with the inner surface of ventricles are

chordae tendinae

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trabeculae carneae

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muscle

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aortic valve.

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Solution

The correct option is C chordae tendinae
The correct answer is option A
Chordae tendinae are collagenous and inelastic chords, one end of which is inserted in the inner surface of the ventricles (Papillary muscles) and the other end is connected to the flaps of the AV valves.
These help in preventing the pushing of flaps into atrium during ventricular contraction.

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