Question

In about 3 paragraphs describe the action of various (some ) hormones in our bodies

Answer 1

Hormones are the chemical substances which coordinate the activities of living organisms and also their growth. They are secreted by special tissues in our body through endocrine glands.

1. Thyroid hormone
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. It allows the body to use glucose or sugar from carbohydrates in the food for energy or to store glucose for future use.

3. Estrogen
It is a female sex hormone released by the ovaries. It is responsible for the reproduction, menstruation and menopause.

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. Prolactin
This hormone is released by the pituitary gland after a child birth for lactation, which enables female to breast feed. Levels of prolactin hormone rise during pregnancy.

6. Testosterone
It is a male sex hormone. It is an anabolic steroid by nature which helps in building body muscles. In males it plays an important role in the development of male reproductive tissues; testes and prostrate. It also promotes secondary sexual characteristics like increasing the mass of muscles and bones, growth of body hair etc.

7. 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.

8. Cortisol
This hormone is produced by the adrenal gland. It helps you stay healthy and energetic. Its main role is to control physical and psychological stress. In danger condition it increases heart rate, blood pressure, respiration etc. At stressful times body secretes cortisol to cope up with the situation.

9. Adrenaline
Adrenaline hormone is secreted in the medulla in the adrenal gland as well as some of the central nervous system’s neurons. It is also known as emergency hormone because it initiates the quick reaction which makes the individual to think and respond quickly to the stress. It increases the metabolic rate, dilation of blood vessels going to the heart and the brain.

10. Growth Hormone
It is also known as somatotropin hormone. It is basically a protein hormone having 190 amino acids which is synthesised and secreted by the cells called somatotrophs in the anterior pituitary. It stimulates growth, cell reproduction cell regeneration and in boosting metabolism. It is important in human development.