What Is The Definition Of Atrium

What Is The Definition Of Atrium. Web the heart is made up of four chambers — two upper (atria) and two lower (ventricles). Web the heart's rhythm is controlled by a natural pacemaker (the sinus node) in the right upper chamber (atrium).

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Web the heart's rhythm is controlled by a natural pacemaker (the sinus node) in the right upper chamber (atrium). This natural pacemaker produces electrical signals that trigger each heartbeat. The rhythm of the heart is typically controlled by the sinus node, an area of specialized cells in the right upper heart chamber (right atrium).

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This natural pacemaker produces electrical signals that trigger each heartbeat. Web the heart is made up of four chambers — two upper (atria) and two lower (ventricles).

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The sinus node sends electrical signals that typically start each heartbeat. The rhythm of the heart is typically controlled by the sinus node, an area of specialized cells in the right upper heart chamber (right atrium).

The Sinus Node Sends Electrical Signals That Typically Start Each Heartbeat.

This natural pacemaker produces electrical signals that trigger each heartbeat. The rhythm of the heart is typically controlled by the sinus node, an area of specialized cells in the right upper heart chamber (right atrium). These electrical signals move across the atria, causing the heart muscles to squeeze (contract) and pump blood into the ventricles.

Web The Heart Is Made Up Of Four Chambers — Two Upper (Atria) And Two Lower (Ventricles).

Web the heart's rhythm is controlled by a natural pacemaker (the sinus node) in the right upper chamber (atrium).