Multiple choice

Challenge Question: This region of the brain acts as the body's master clock:

  1. nucleus accumbens

  2. nuclear cortex

  3. suprachiasmatic nucleus

  4. super-charismatic rubicon

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The suprachiasmatic nucleus (SCN) is a tiny region in the hypothalamus that serves as the body's master clock, regulating circadian rhythms based on light exposure.