The extensive connective tissue network, which encircles the bases of the pulmonary trunk and aorta and the valves of the heart, is called the of the heart.

The extensive connective tissue network, which encircles the bases of the pulmonary trunk and aorta and the valves of the heart, is called the Cardiac skeleton of the heart.

Explanation:-The cardiac skeleton consists of four bands of dense connective tissue, called fibrous rings, that surround the base of the pulmonary trunk, aorta, and mitral and tricuspid valves.MayInteresting facts about Human[♥️]!!The average heart is the size of an adult fist.Your heart will beat about 115,000 times each day.The beating sound your heart makes is caused by the opening and closing of its valves.The human heart weighs less than one pound, but a man’s heart is typically two ounces heavier than a woman’s.A woman’s heart beats slightly faster than a man’s.There is such a thing as a broken heart. Symptoms are similar to a heart attack but the cause is usually stress and not heart disease.Laughing is good for your heart. It reduces stress and gives a boost to your immune system.

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The answer is d have a nice day