Label the endocrine glands in Figure 7.3.
a) Pineal Gland- It is located in the brain and produces a hormone called melatonin.
b) Pituitary gland- It is called the master gland because it controls the secretions of other glands and releases various hormones like growth hormone.
c) Thyroid gland- It secretes the hormone thyroxine which helps in regulating the metabolism of the body.
d) Thymus- It produces the hormone thymosin which stimulates the development of T-cells.