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:
I think the answer is B. let me know if im right
Answer:
Your body fills with extra water and waste products
Answer:
An immune deficiency disease or disorder occurs when the immune system is not working as expected.
Explanation:
