Question

How human heart is protected from external shoks​

Answer 1

Explanation:

The space between the two layers of serous pericardium (see below), the pericardial cavity, is filled with serous fluid which protects the heart from any kind of external je.rk or shock. There are two layers to the pericardial sac: the outermost fibrous pericardium and the inner serous pericardium.

Answer 2

The space between the two layers of serous pericardium (see below), the pericardial cavity, is filled with serous fluid which protects the heart from any kind of external je.rk or shock. There are two layers to the pericardial sac: the outermost fibrous pericardium and the inner serous pericardium.