Which of the following pairs comprises of the smallest and the largest endocrine glands of human respectively?

Correct answer: Pineal body-thyroid

Explanation: The pineal body is the smallest endocrine gland, while the thyroid gland is the largest in humans. 📚 Other Information: ▪️ The pineal gland is a tiny gland located in the brain, responsible for melatonin secretion. ▪️ The thyroid gland, located in the neck, regulates metabolism and growth. ▪️ Pituitary gland, though called "master gland", is not the largest. ▪️ The pineal body is also known as the "third eye" gland. ▪️ Disorders in thyroid include goiter, hypothyroidism, and hyperthyroidism. ▪️ The thyroid gland secretes thyroxine (T4) and triiodothyronine (T3). ▪️ The endocrine system includes glands like pituitary, adrenal, pancreas, and gonads. ▪️ Hormones regulate vital functions like growth, reproduction, and metabolism.