Multiple choice

The size of the human thyroid gland ______.

  1. varies with age

  2. varies with different physiological conditions

  3. varies during pregnancy

  4. does not vary and always remains constant
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The thyroid gland changes size based on physiological conditions like puberty, pregnancy, stress, or disease. It does not remain constant. While age and pregnancy can affect size, "different physiological conditions" is the most comprehensive answer.

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