Pertaining to the endocrine system, what will you interpret if:
(i) You observe swollen neck in people living in hills
(ii) Over secretion of growth hormone takes place during childhood
(iii) Facial hair develops in body aged 13

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Hint: It is made up of glands that make hormones. Hormones are the body's chemical messengers. They carry information and directions from one set of cells to a different one. The system influences almost every cell, organ, and performance of our bodies.

Complete answer:
Due to the lack of iodine, the people living in hills are found to develop a swollen neck. This occurs due to the lower amount of iodine present in the soil and water of hilly regions that is the higher altitude. Due to the less iodine availability, the thyroid gland of the body will rescue its functioning resulting in goiter.

Oversecretion of development hormones occurring during youth causes gigantism in which there is an anomalous development in body parts and bones because of expanded emissions of development hormone from the pituitary organ.
Facial hair growth within the body of youngsters aged 13 is often thanks to two reasons.
Oversecretion of thyroid hormones from Thyroid glands. Hyperactivity of sex hormones is testosterone in males and estrogen in females.

Additional information:
Endocrine glands release hormones into the bloodstream. This lets the hormones visit cells in other parts of the body.
Parts of the Endocrine System
While many parts of the body make hormones, the main glands that structure the system are the:
- hypothalamus
- pituitary
- thyroid
- parathyroids
- adrenals
- pineal body
- the ovaries
- the testes
The pancreas is a component of the system and therefore the gastrointestinal system. That's because it secretes hormones into the bloodstream, and makes and secretes enzymes into the alimentary canal.

Note: The endocrine hormones help control the state of mind, development, and improvement, the manner in which our organs work, digestion, and multiplication. The system regulates what proportion of every hormone is released. This can depend upon levels of hormones already within the blood, or on levels of other substances within the blood, like calcium. Many things affect hormone levels, like stress, infection, and changes within the balance of fluid and minerals within the blood.