Q. Consider the following statements:
- Serotonin is secreted by Pituitary glands.
- Serotonin helps regulate mood, sleep, appetite, and other major aspects of daily functioning.
Which of the statements given above is/are correct?
Answer:
Only 2
Notes:
- Serotonin is a kind of neurotransmitter, a chemical that helps transmit messages or signals from one nerve cell to another for communicating. Serotonin helps regulate mood, sleep, appetite, and other major aspects of daily functioning.
- Pancreas secretes insulin.
- Pineal body secretes the hormone melatonin. Precursor of melatonin is serotonin, in the pineal gland serotonin is first methylated and then acetylated to produce melatonin.
Pineal gland also known as epiphysis is a small endocrine gland present in the brain. It regulates female reproduction and sexual maturation. It controls the circadian rhythms.
- Pituitary glands secrete four types of hormones - ACTH, FSH (Follicle Stimulating Hormone), TSH (Thyroid Stimulating Hormone), and LH (Luteinizing Hormone). But it does not produce serotonin and melatonin.
- Thymus secretes thymosin which is necessary for T Cell development and production.