The Rule of 70 States That the Number of Years

question 173

True/False

The Rule of 70 states that the number of years required for a value (such as a nation's GDP) to double in size is 70 divided by the growth rate.

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Definitions:

Circadian Rhythm

A natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours, affecting physical, mental, and behavioral changes in living organisms.

Pineal Gland

A small, pine-cone-shaped endocrine gland in the brain that produces and secretes the hormone melatonin, which regulates sleep patterns.

Hypothalamus

A region of the brain below the thalamus that coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.

REM Sleep

A phase of sleep characterized by rapid eye movements, vivid dreaming, and increased brain activity.