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  2. Heart rate - Wikipedia

    en.wikipedia.org/wiki/Heart_rate

    The human heart beats more than 2.8 billion times in an average lifetime. [60] The heartbeat of a human embryo begins at approximately 21 days after conception, or five weeks after the last normal menstrual period (LMP), which is the date normally used to date pregnancy in the medical community.

  3. Heart rate variability - Wikipedia

    en.wikipedia.org/wiki/Heart_rate_variability

    This reinnervation may occur as early as 1 to 2 years after transplantation and is assumed to be of sympathetic origin. In addition, a correlation between respiratory rate and the HF component of HRV observed in some transplanted patients also indicates that a nonneural mechanism may generate a respiration-related rhythmic oscillation.

  4. The #1 High-Protein Snack for Better Heart Health, According ...

    www.aol.com/1-high-protein-snack-better...

    In one study, people who ate roughly 1 to 2 ounces of walnuts daily for one year experienced a significant decrease in LDL cholesterol. Nutrients to Focus On for Heart Health Plant-Based Protein.

  5. Heart sounds - Wikipedia

    en.wikipedia.org/wiki/Heart_sounds

    The S 2 sound results from reverberation within the blood associated with the sudden block of flow reversal. [ 1 ] Splitting of S2 , also known as physiological split, normally occurs during inhalation because the decrease in intrathoracic pressure increases the time needed for pulmonary pressure to exceed that of the right ventricular pressure.

  6. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. 16 Ways to Stay Motivated to Lose Weight in 2025

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    2. Set Clear Goals. When you don’t have a clear set of goals, it’s easier to lose sight of why you wanted to lose weight in the first place. When goal-setting, aim to create SMART goals.

  8. Suspect in fatal New York subway burning indicted on charges ...

    www.aol.com/suspect-woman-fatal-york-subway...

    The man accused of setting fire to a woman who was asleep on a New York City subway has been indicted on charges of murder in the first and second degree and arson, according to Brooklyn District ...

  9. Ectopic beat - Wikipedia

    en.wikipedia.org/wiki/Ectopic_beat

    Ectopic beat is a disturbance of the cardiac rhythm frequently related to the electrical conduction system of the heart, in which beats arise from fibers or group of fibers outside the region in the heart muscle ordinarily responsible for impulse formation (i.e., the sinoatrial node).