Final answer:
The pituitary gland is located at the base of the brain and is connected to the hypothalamus. It consists of two parts: the anterior pituitary and the posterior pituitary. The anterior pituitary produces six hormones, while the posterior pituitary releases hormones from the hypothalamus. The option (3) is correct.
Step-by-step explanation:
The pituitary gland, sometimes called the hypophysis or "master gland", is located at the base of the brain in the sella turcica, a groove of the sphenoid bone of the skull. It is attached to the hypothalamus via a stalk called the pituitary stalk or infundibulum.
The pituitary gland has two distinct regions - the anterior pituitary and the posterior pituitary. The anterior pituitary receives signals from the hypothalamus and produces six hormones, while the posterior pituitary releases hormones produced by the hypothalamus. Therefore, option (3) is correct.