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Pericardium...

Pericardium

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Pericardium protects and norishes the heart
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Explore conceptually related problems

Consider the following statements? (a) Before birth, foramen ovale allows the blood to pass from right atrium to left atrium , thus bypassing the pulmonary circulation , (b) Heart is protected by a double walled pericardium , (c) The muscle fibres present in heart are different from smooth muscles in being mesodermal in origin , (d) Nodal tissues like AVN, SAN are specialised neural tissues which are distributed in heart. How many among the statements mentioned above are correct?

Read the following statements and find out the incorrect statements. a. Heart is situated in the thoracic cavity, is between the two lungs, slightly tilted to the right. b. Heart has the size of a clenched fist. (c ) Heart is protected by double walled membranous bag, pericardium, enclosed the pericardial fluid. d. Human heart has four chambers, two relatively larger upper chambers called atria and two smaller lower chambers called ventricles. e. A thick muscular wall called the inter-atrial septum separtes the right and the left atria, whereas a thinwalled, the inter-ventricular septum, separtes the left and right ventricles.