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Atria are a part of the heart and so consist of cardiac muscle cells, which are different from any other muscle cells found in the body. Atria also have specialized cardiac tissue called the SA node and AV node, which are involved in conducting impulses to different regions of the heart.
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∙ 12y ago
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Are auricles extensions of the atria or the ventricle?
The are extentions of the Atria.
Would yo be able to feel a pulse during atrial systole only?
yes because during atria systole, the heart muscle tissue contracts.
The upper chambers of the heart are called what?
The left and right atrium (or atria).
What does the muscle tissue do to make the heart pump?
The muscle tissue on one side contracts while the other relaxes, controlled by electrical impulses to the heart muscle.
What are three septums of the heart?
interatrial (between the atria) interventricular (between the ventricles) atrio-ventricular (between the atria and the ventricles) So, each chamber is separated by a septum
What are the muscles in the wall of the atria?
smooth muscle's, they connect on the other layer and inner liner of that system
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.
What is the function of the cordinae and the muscle that attach to them?
The chordae tendinae and their attachments to the papillary muscles prevent the AV valves from collapsing backwards into the atria.
The p wave corresponds to depolarization of the muscle fibers of the?
The p wave on a heart telemetry monitor represents the depolarization of the atria of the heart.
What is the downstairs chamber in the heart?
the atria
Are auricles extensions of the atria or the ventricle?
The are extentions of the Atria.
What system has the atria?
The atria are a part of your heart which is in the circulatory system
What are the top two chambers of the heart called?
The Atria and Atrium
What is the specific function of the cardiac muscle?
contraction of the atria and ventricle of the heart, causes beating of heart.
What is the role of papillary muscle?
The papillary muscles are muscles located in the ventricles of the heart. The role of the papillary muscle is to prevent inversion or prolapse or the atrioventricular valves.
How many atria do salamanders have?
salamanders have a heart with one ventricle and two atria
Would yo be able to feel a pulse during atrial systole only?
yes because during atria systole, the heart muscle tissue contracts.
