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What node triggers an im pulse that causes both atria to?
the atriventriculart node causes both atria to contract
What is the description of the pulmonary veins?
Those are the veins that drain blood from the lungs, and empty into the left atria.
What do both atria do at the same time?
They both contract at the same time.
What Node that triggers an impulse that causes both atria?
The Sinoatrial Node sends a wave of electric impulses through the heart, which causes both atria to contract.
What is the P wave of electrocardiogram closely followed by?
Contraction of both atria
The SA node triggers an impulse that causes both atria to do what?
SA node sends an impulse for the atria to contract. AV node is then activated which contracts the ventricles.
What do the atria do at the same time?
The atria contract simultaneously to push blood into the ventricles. This coordinated contraction ensures efficient filling of the ventricles with blood before they contract to pump blood out to the rest of the body.
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 are the internal ridges of the atria called?
The internal ridges of the atria are called pectinate muscles. They are muscular ridges that line the atrial walls, primarily located in the right atrium and the auricles of both atria. Pectinate muscles help increase the surface area of the atria and assist in the contraction of the atrial walls during the cardiac cycle.
Which part of the heart recives blood?
both the right and left atria receive blood.
What system has the atria?
The atria are a part of your heart which is in the circulatory system
