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What is Hormones? What is the function of hormones?


Hormones are chemical substance Secreted in endocrine glands. They also known as ductless glands. These glands release hormone directly into the blood part known as target site. 

FUNCTION:-
1. Hormones of Thyroid
Thyroid gland basically releases two hormones Triiodothyronine (T3) and Thyroxine (T4), which helps in controlling the metabolism of our body. Further these hormones regulates weight, determines energy levels, internal body temperature, skin, hair etc
2. Insulin:This hormone is released by pancreas, a leaf like gland located in the abdominal cavity behind the stomach. It allows the body to use glucose or sugar from carbohydrates in the food for energy or to store glucose for future use. It helps in keeping blood sugar level from getting too high i.e. hyperglycemia or too low i.e. hypoglycemia.
3. Estrogen
It is a female sex hormone released by the ovaries. It is responsible for the reproduction, menstruation and menopause. Excess of estrogen in the female body increases the risk of breast cancer, uterine cancer, depression, moodiness etc. If estrogen level is less in female body leads to acne, skin lesions, thinning skin, hair loss etc.
4. Progesterone
Progesterone hormone is produced in the ovaries, the placenta when a woman gets pregnant and the adrenal glands. It stimulates and regulates various functions. It plays an important role in maintaining pregnancy. It helps body to prepare for conception, pregnancy and regulates the monthly cycle. When pregnancy doesn’t occur, progesterone levels drop and menstrual cycle occurs. It also plays a role in the sexual desire.
5. Serotonin
It is a mood-boosting effect hormone or also known as nature’s feel-good chemical. It is associated with learning and memory, regulating sleep, digestion, regulates mood, some muscular functions etc. Due to the imbalance of serotonin in the body, brain does not produce enough of the hormone to regulate mood or stress level. Low level of serotonin causes depression, migraine, weight gain, insomnia, craving of carbohydrate etc. Excess level of serotonin in the body causes agitation, stage of confusion, sedation etc.

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