Multiple choice

The largest endocrine gland is

  1. adrenal gland

  2. pituitary

  3. thyroid

  4. pineal

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

The thyroid gland is the largest endocrine gland in the human body, weighing approximately 20-25 grams in adults. The pituitary is smaller (pea-sized), adrenal glands are also smaller, and the pineal gland is tiny compared to the thyroid.