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Hormones are signaling molecules that are produced by various glands (e.g., pituitary gland, pancreas, thyroid gland, etc.) in our body and are transported to various organs by circulatory system. Hormones are responsible for regulating physiological and behavioral activities, such as metabolism, digestion, respiration, growth, development, sleep, etc.
Some of the hormones secreted in the human body and their functions are listed here:
- Somatotropin (growth hormone): stimulates growth and cell production
- Beta-endorphin: inhibits sensation of pain
- Prolactin: stimulates milk synthesis
- Calcitonin: stimulates bone formation
- Thyroxine: stimulates body oxygen and energy use and increases metabolic rate
- Gastrin: regulates secretion of gastric acid
- Neuropeptide Y: increased food intake and decreased physical activity
- Insulin: regulates uptake of glucose, glycogenesis and glycolysis in liver and muscles
- Thrombopoietin: stimulates production of platelets.
- Dopamine: increased heart rate and blood pressure
- Melatonin: acts as an antioxidant
There are a large number of other hormones which are responsible for other functions in our body.
WHAT ARE HORMONES
Hormones are called the chemical messengers that are directly released into blood, which carries them to organs and tissues of the human body to influence their functions. There are many types of hormones produced in our body and are used of different aspects of bodily processes and functions.
HOW ARE THEY SECRETED AND TYPES
Hormones are secreted from endocrine glands in our body. The glands are ductless in nature, so hormones get released directly into the blood stream. The major endocrine glands in the human body are:
The table of the hormones produced by the endocrine glands and their functionalities are tabulated in the link below.
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