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The pericardium helps reduce the friction on a beating heart. During contraction, the heart is moving within the thoracic cavity. There is pericardial fluid in between the heart walls and pericardium, this acts as a lubricant and allows the heart to move easily and reduces the amount of work the heart has to do during contraction.
What else can I help you with?
What arrangement of cardiac muscle fibers make the heart efficient?
Cardiac muscle fibers are arranged in a crisscross pattern, allowing for efficient contraction and relaxation of the heart. This arrangement helps coordinate the pumping action of the heart and ensures effective blood flow throughout the body.
What is the action of digoxin?
It slows the heart rate making the heart more efficient.
Why does your heart become more efficient over a long time?
Your heart is much like the rest of the muscles in your body, in the sense that if you work it out a lot, it will grow stronger. If you excersize regularily, then your heart will get stronger and more efficient over a period of time.
Why is my heart rate lower when I swim?
Swimming is an aerobic exercise. It improves the condition of the heart and makes it more efficient.
How can you make sentences using the 'efficient'?
The engine was cleaner and more efficient.
What is the medical term meaning any surgical repair of the heart?
I believe the answer you are looking for is cardioplasty. The more specific term would depend on what part of the heart was being repaired.There are many types of heart surgery, the most common one being that of CABG (coronary artery bypass grafting).
When are digitalis drugs used?
used to treat heart problems such as congestive heart failure and irregular heartbeat. These medicines help make the heart stronger and more efficient. This, in turn, improves blood circulation and helps relieve the swelling of the hands and ankles
What action does not make a home more energy efficient?
Leaving lights on when not in use does not make a home more energy efficient as it unnecessarily consumes electricity.
How do you make a radio more efficient?
Turn it down
How can you make a car more energy efficient?
Kick it
In order to become more efficient and to make greater profits both individuals and nations learn to?
They learn to specialize to become more efficient and make greater profits.
In order to become more efficient and to make greater profits both individuals and nations learn to .?
They learn to specialize to become more efficient and make greater profits.
