pericardium
The tissue forming a loosely fitting "sack" around the heart is known as the pericardium. The musculature of the heart itself, consisting of "cardiac" muscle fibers, is, in general, referred to as the myocardium.
Taking long, deep breaths and lying down can help slow an increased heart rate caused by activity.
heart
Your heart pumps blood. It's part of the circulatory system.
pericardititis is inflammation of the area around the heart.
The sac is called the pericardial sac. The snake's heart can move 1 to 1 1/2 inches because of this sac.
The tissue forming a loosely fitting "sack" around the heart is known as the pericardium. The musculature of the heart itself, consisting of "cardiac" muscle fibers, is, in general, referred to as the myocardium.
Erna Sack's birth name is Weber, Erna.
The sack worn by mountain men around their necks was called "a bullet pouch."
Another word for the coarse sack is a "gunnysack" or "potato sack."
nut sack
possibles sack
I-sack
The sac surrounding the heart is called the pericardium. The pericardium has two layers with fluid between them, and it serves to protect and anchor the heart.
A burlap bag. A potato sack A gunny sack
The hacky sack was invented in China. Another name for hacky sacks are footbags.
That would depend on the size of the sack and the material it is made ot of and how damp that material was. Also if the sack is empty it can not be "of rice" it is just and empty sack!