Question

Heart is protected by a covering known as ______

Answer 1

Heart

1. The heart is a muscular organ present in the thoracic cavity.
2. It consists of cardiac muscles and pumps blood continuously through blood vessels by repeated rhythmic contractions.
3. It has four chambers: The right and left atrium, and the right and left ventricles.
4. The heart is enclosed by a membrane called the pericardium, consisting of an outer fibrous layer and an inner double layer of serous membrane.

Pericardium

1. The pericardium acts as mechanical protection for the heart.
2. It provides lubrication to reduce friction between the heart and the surrounding structures.

Final answer: The heart is protected by a covering known as the pericardium.