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When atria relax ventricles do what?
When relaxed, the atria expand, and then the ventricles contract.
During a heartbeat what do the ventricles do while the atria relax?
they are in the heart of humans only
When is atrial and ventricle at rest together?
At diastole the muscles of the atria and ventricles relax and blood flows into the heart. Therefore the atria and ventricles and at rest together during diastole.
What is ventrical diastole?
Diastole is when the muscles of the atria and ventricles relax and blood flows into the heart.Ventricular diastole is when the muscles of the ventricles relax and blood flows into the heart. N.B It is called ventricular diastole and not ventrical diastole.
What muscles are The only muscles in the heart and makes up the atria and ventricles?
Cardiac Muscle or myocardium are the muscle that make up the heart that contract and relax to pump blood.
Are auricles extensions of the atria or the ventricle?
The are extentions of the Atria.
What is the downstairs chamber in the heart?
the atria
What system has the atria?
The atria are a part of your heart which is in the circulatory system
Which cells have long fibers that can contract and relax?
Muscle cells can contract and relax and lave fibers as long as 1.5 feet.
What color helps you relax and unwind after a long day?
The color that helps you relax and unwind after a long day is typically blue.
What are the top two chambers of the heart called?
The Atria and Atrium
How many atria do salamanders have?
salamanders have a heart with one ventricle and two atria
