Examlex
In a covalently bonded molecule, the number of electrons that an atom shares with others is usually equal to the number of electrons
Sleep needs
The necessary amount of sleep a person requires to function optimally, varying across age groups and individual needs.
NREM sleep
Non-Rapid Eye Movement sleep, which constitutes the majority of sleep time and is characterized by slower brain waves, reduced heart rate, and relaxed muscles.
Respirations
The act of breathing, which involves the inhalation and exhalation of air to facilitate gas exchange within the body.
Heart rate
The number of heartbeats per minute, a vital sign indicating the heart's efficiency and health status.
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