Question:

During emergency, which one of the following hormone is important?

Updated On: Jul 5, 2022
  • aldosterone
  • adrenaline
  • thyroxine
  • calcitonin
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The Correct Option is B

Solution and Explanation

Adrenaline (epinephrine) is a hormone derived from an amino acid, tyrosine secreted by chromaffin cells of adrenal gland (medulla part) and to a lesser extent by sympathetic nerve endings. It is called the emergency hormone because it is secreted during the stress, excitement like conditions.
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Concepts Used:

Human Endocrine System

The human endocrine system is a messenger system that balances or controls distant target organs through feedback loops of hormones released by the internal glands of an organism right into the circulatory system. The hypothalamus is the neural control node for all endocrine systems, in invertebrates.

Functions of the Human Endocrine System are:

The endocrine system controls a variety of body functions through hormone release. Hormones are built by the endocrine system's glands and pass throughout the bloodstream to various organs and tissues in the body. Hormones then command these organs and tissues about how to act.

The Endocrine System is in charge of the following bodily functions:

  1. Metabolic rate
  2. Development and growth of a human being
  3. Reproduction and sexual function
  4. Heart Rate
  5. Blood pressure
  6. The appetite is the need to eat
  7. Controls cycles of sleep and wakefulness
  8. Controls the temperature of the body