Medical
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Description
Vocal Characteristics
Language
EnglishVoice Age
Middle Aged (35-54)Accents
North American (General)Transcript
Note: Transcripts are generated using speech recognition software and may contain errors.
The heart is a remarkable organ. It is the muscle that relaxes and contracts pumping blood, carrying oxygen and nutrients throughout the body. The steady rhythm of these contractions is controlled by electrical impulses that travel through the heart first through the upper chambers called the atria and then through the lower chambers called the ventricles.