Pineal gland and Thymus

Question 1

Pineal gland

Answer 1

• Cells called pinealocytes

* Secrete melatonin

Question 2

Function of melatonin

Answer 2

• biological clock control

* More released in darkness, promotes sleepiness

Question 3

Thymus

Answer 3

•Located behind the sternum between the lungs
• Produces hormones
- Thymic humoral factor, thymic factor etc
- promotes T cell maturation in thymus