Recent Examples of sinus node from the Web
Over the course of a day, a person’s heart beats about 100,000 times, and each beat begins with an electrical signal generated in the sinus node in the heart’s upper right chamber.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sinus node.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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