Which Part of the Heart Is Known as the Pacemaker

question 3

Multiple Choice

Which part of the heart is known as the pacemaker?

• A) AV node
• B) SA node
• C) Mitral valve
• D) Bicuspid valve

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A union of states or regions that come together for a common purpose, maintaining a degree of autonomy but governed by a central authority.

Nineteenth Century

The era spanning from January 1, 1801, to December 31, 1900, marked by profound industrial, cultural, and political shifts globally.

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