Multiple choice

All the following are endocrine glands except:

  1. Adrenal gland

  2. Sebaceous gland

  3. Pineal gland

  4. Pituitary gland
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sebaceous glands are exocrine glands that secrete sebum (an oily substance) onto the skin surface through ducts, whereas the others secrete hormones directly into the bloodstream.

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