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glands. It plays a vital role in the growth of the body. It activates the
inammary glands to produce inilk during pregnancy and after child
birth. It controls the blood pressure and water retention in the body.
It stimulates adrenal glands. It also helps to produce sex hormones.

b. Pineal Gland
The pineal gland is a tiny gland which is located in the nliddle of the
brain. It is shaped like a tiny pea. The function of the pineal gland
is to produce melatonin hormone that plays a role in managing our
sleep-wake cycle.

c. Thyroid Gland
The thyroid gland is located at the base of the neck. It looks like a
butterfly in shape. It produces thyroxine hormone. This hormone
regulates vital body functions such as breathing, heartbeat, digestion
rate, and body temperature. It also controls the growth of the bones
and muscles. Similarly, it helps in mental development.
d. Parathyroid Gland

There are four parathyroid glands at the back of the thyroid. It releases
parathormone hormone. The main function of this hormone is to
control calcium levels in the blood. It also manages the balance in
the levelof phosphorus and calcium in the body. It has a vital role in
the growth and development of bones.
e. Adrenal Gland

The adrenal gland is the triangular-shaped gland located on top of both
kidneys. It has two parts. The
covering part is acortex and Adrenal
--- gland
the inner part is a inedulla.
The cortex and medulla
secrete corticosteroids
and adrenaline hormones
respectivel y . These
hormones affect digestive
activity, heart rate, the
amount of oxygen in the
blood, and sexual activity.

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