Examlex
Occult blood specimens from stools are common screening tools for early detection of:
Serotonin
A chemical messenger vital for regulating mood, digestion, sleep, and various bodily activities.
Suprachiasmatic Nucleus
A tiny region in the brain's hypothalamus responsible for controlling circadian rhythms, functioning as the body's internal clock.
Sleep Cycles
The progression through various stages of sleep, including REM and non-REM phases, which repeat approximately every 90 minutes.
Digestion
The biological process by which the body breaks down food into absorbable components, primarily occurring in the stomach and intestines.
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