Melatonin, which helps regulate the daily rhythm of the body, is secreted by the

1. The pineal gland is located on the dorsal side of the forebrain. 2. It secretes melatonin. 3. Melatonin plays a very important role in the regulation of the daily rhythm of the body. 4. The pituitary sits beneath the brain and releases a different set of hormones. 5. Confusing pineal with pituitary is common because both are small midline structures. _Source: syllabus Biology Ch19 'Chemical Coordination and Integration', section 19.2.3_