Check all that are a function of the pericardium. 1. Prevent the heart from bouncing in the thoracic cavity2. Prevent the heart from overfilling with blood3. Aid the heart in the strength of contractions4. Create a frictionless environment through the production of serous fluid

Answer: All the options are correct.

Explanation:

A pericardium is the sac that compass the heart, protects, lubricate and keep it in place.

The functions of pericardium are:

1. It keep the heart fixed in its place in the chest cavity.

2. It prevent the heart from stretching and overfilling with blood I. e it minimize blood infow.

3. It prevents friction by lubricating the heart.

4. It protects the heart from infection that might be nearby either from lungs or other organs.