Question

Personality of a person includes physical and mental well being. To maintain this one hormone is secreted in our body. Explain the roles of the hormone.

Answer 1

Hint: Chemical messengers which are secreted directly into the blood are known as hormones. They have a role in various functions of our body.

Complete answer:
Hormones have an important role in controlling emotions and physical appearance. The thyroid gland secretes two types of hormones, which have a crucial role in the development of physical structure of a person. They are,
1) Thyroxine (T4) - It is responsible for the mood, metabolism and body temperature
2)Triiodothyronine (T3) - It helps in maintenance of muscle control, brain function and development, digestive and heart functions

Thyroxine is the hormone which helps in maintaining the physical and mental well being of a person. The thyroxine hormone is secreted when TSH is secreted by the pituitary gland. Thyroxine has various roles in the body. They are,
It has a role in
->Brain development
->Digestion
->Maintenance of bones
->Muscle and heart function
->Physical development
->It helps in maintaining physical appearance

Additional information:The different disorders of thyroid glands are,
->Thyroid cancer - It is a very form of cancer and there are four types of thyroid cancer
Goitre - It is caused due to enlargement of thyroid gland and it causes obstruction of the oesophagus or other organs
->Hyperthyroidism - It is produced when thyroxine is produced in excess in the body
->Hypothyroidism - It is caused when thyroxine is produced in less quantity in the body

Note: If incase, there is less secretion of this hormone the person will have poor physical and mental well being. Thus, it is very important that this hormone is produced at normal levels in the body.