Multiple choice

Endocrine glands are ductless glands that make and secrete hormones. Which of the following endocrine glands occur(s) in pairs?

a. Adrenal gland b. Pituitary gland c. Testis d. Ovary

  1. Only b

  2. Only b and c

  3. Only a, b and c

  4. Only a, c and d

  5. Only b, c and d

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

Adrenal gland, testis and ovary occur in pairs inside the human body.