What are hormones?

Different chemicals made by human beings are called hormones

They are secreted (produced) by different endocrine glands

They transport signals from one body part to another.

They also help in various purpose like growth of human beings,change in puberty

 

What is an endocrine gland?

Organs which secrete hormones are called endocrine glands

They pour hormones directly into blood.

Therefore, they are also known as Ductless glands

 



Different Endocrine Glands and Hormone Secreted By Them

 

 

Gland Name

Where are they present

Hormone Secreted

Use

Pituitary Gland

Base of Brain

Growth Hormone

Use for Growth of Human Beings

Thyroid Gland

Neck

Thyroxine

It helps in preventing thyroid

Adrenal Gland

Top of 2 kidneys

Adrenaline

It helps the body adjust to stress

Pancreas

Just below stomach

Insulin

It helps in lowering sugar level in blood. Thus, helps in preventing diabetes

Testes

Behind Penis

Testosterone (Male Hormone)

It helps in

  • Development of male reproductive organs
  • Increase in Muscles
  • Increase in Growth of body
  • Development of Body Hair

Ovaries

Beside Uterus

Estrogen (Female Hormone)

It helps in

  • Developing breasts
  • Growth of female reproductive organs

Position of Endocrine Glands - Teachoo.png

 

 

 

Questions

NCERT Question 1 - What is the term used for secretions of endocrine glands responsible for changes taking place in the body?

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NCERT Question 9 (4) - Word game : Use the clues to work out the words.

Glands without ducts

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NCERT Question 9 (8) - Word game : Use the clues to work out the words.

Secretion of endocrine glands

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NCERT Question 5 - Prepare a Table having two columns depicting names of endocrine glands and hormones secreted by them.

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NCERT Question 9 (2) -   Word game : Use the clues to work out the words.

Secretes thyroxine

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NCERT Question 9 (7) - Word game : Use the clues to work out the words.

Term for changes at adolescence

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NCERT Question 9 (9) - Word game : Use the clues to work out the words.

Pancreatic hormone

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  1. Class 8
  2. Chapter 10 Class 8 - Reaching The Age Of Adolescence

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.