Answer:
While having a slight fluctuation in heart rate during sleep is normal, it is important to understand the causes of more noticeable spikes in your heart's number of beats per minute.
Explanation:
A common cause of a rising heart rate during sleep is a lack of oxygen, which is often brought on by obstructive sleep apnea
Answer:
Skin immunity is a property of skin that allows it to resist infections from pathogens. In addition to providing a passive physical barrier against infection.
The P wave indicates atrial depolarization. The P wave occurs when the sinus node, also known as the sinoatrial node, creates an action potential that depolarizes the atria.
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