Nature of valves in the heart is

Membranous

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Ligamentous

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Tendinous

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None of the above

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Solution

The correct option is A Membranous
The heart valves are lined with the endocardium. It is a thin membranous tissue attached to the endocardium of the heart. The four main valves in the heart are the two atrioventricular (AV) valves, the mitral valve (bicuspid valve), and the tricuspid valve, which are between the upper atria and the lower ventricles. The two semilunar (SL) valves, the aortic valve and the pulmonary valve, which are in the arteries leaving the heart.
So, the correct answer is option A.

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