Q. Which of the following endocrine gland is responsible for the body’s circadian rhythm?
A. Thymus gland
B. Pineal gland
C. Parathyroid gland
D. Pituitary gland
Answer: Pineal gland
A. Thymus gland
B. Pineal gland
C. Parathyroid gland
D. Pituitary gland
Answer: Pineal gland