What Aspect of Circadian Rhythms Might Explain Why We Tend

question 211

Multiple Choice

What aspect of circadian rhythms might explain why we tend to feel so tired at night?

• A)Body temperature bottoms out in the morning.
• B)The three biorhythm patterns converge at low points in the morning.
• C)Heart rates typically increase at night.
• D)There is an organ in the brain sensitive to light changes,which then affects our sleepiness.

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Definitions:

Semi-annual Scholarships

Scholarships awarded twice a year, often to support the educational expenses of students.

Compounded Annually

Pertains to the calculation of interest on both the initial principal and the accumulated interest from previous periods, applied once per year.

Perpetuity

A financial instrument that pays a constant stream of interest payments indefinitely.

Compounded Monthly

Calculating interest on a principal sum along with any accumulated interest of the previous periods with each cycle occurring every month.