What is the Smallest Gland in Human Body? 1. Liver 2. Pituitary Gland 3. Thyroid Gland 4. Pineal Gland.

Answer: The pineal gland is referred to as the smallest gland in the human body. It is also known as pineal body and it is located in vertebrate brain. It is the smallest endocrine gland which is present in the body.