Class 7 Exam > Class 7 Questions > Why is blood needed by all the parts of body?
Start Learning for Free
Why is blood needed by all the parts of body?
Most Upvoted Answer
Why is blood needed by all the parts of body?
Blood is needed by all part of the body because
1. it carries oxygen to all the parts of the body and also carries carbon dioxide back to lungs.
2. it carries digested food to various parts of the body for absorption.
3. it contains platelets which help in clotting blood.
1. it carries oxygen to all the parts of the body and also carries carbon dioxide back to lungs.
2. it carries digested food to various parts of the body for absorption.
3. it contains platelets which help in clotting blood.
Community Answer
Why is blood needed by all the parts of body?
Importance of Blood in the Body
Blood is a vital fluid that circulates throughout the body, transporting various substances to different organs and tissues. It comprises cells, proteins, and other elements that perform crucial functions. Blood is essential for the proper functioning of the body, and here are some reasons why:
Transportation of Oxygen and Nutrients
Blood carries oxygen from the lungs to the cells and tissues of the body. It also transports nutrients from the digestive system to other parts of the body that require them. Without blood, the cells and tissues cannot receive vital nutrients and oxygen, leading to their death.
Removal of Waste Products
Blood also carries waste products, such as carbon dioxide, urea, and lactic acid, from the cells and tissues to the organs that excrete them from the body. If the waste products accumulate in the body, they can cause damage to the organs and tissues.
Regulation of Body Temperature
Blood helps to regulate the body's temperature by circulating heat. When the body is cold, the blood vessels constrict to conserve heat, and when it's hot, they dilate to release heat.
Immune System Functioning
Blood contains white blood cells that defend the body against infections and diseases. They attack and destroy foreign invaders, preventing them from causing damage to the body.
Clotting Mechanism
Blood contains platelets that help to stop bleeding by forming clots in the damaged blood vessels. This clotting mechanism prevents excessive bleeding and promotes healing.
Conclusion
Blood is essential for the proper functioning of the body. Its numerous functions, including the transportation of oxygen and nutrients, removal of waste products, regulation of body temperature, immune system functioning, and clotting mechanism, make it a crucial fluid for the body. Without blood, the body cannot survive.
Attention Class 7 Students!
To make sure you are not studying endlessly, EduRev has designed Class 7 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 7.
|
Explore Courses for Class 7 exam
|
|
Similar Class 7 Doubts
Top Courses for Class 7View all
Why is blood needed by all the parts of body?
Question Description
Why is blood needed by all the parts of body? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Why is blood needed by all the parts of body? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Why is blood needed by all the parts of body?.
Why is blood needed by all the parts of body? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Why is blood needed by all the parts of body? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Why is blood needed by all the parts of body?.
Solutions for Why is blood needed by all the parts of body? in English & in Hindi are available as part of our courses for Class 7.
Download more important topics, notes, lectures and mock test series for Class 7 Exam by signing up for free.
Here you can find the meaning of Why is blood needed by all the parts of body? defined & explained in the simplest way possible. Besides giving the explanation of
Why is blood needed by all the parts of body?, a detailed solution for Why is blood needed by all the parts of body? has been provided alongside types of Why is blood needed by all the parts of body? theory, EduRev gives you an
ample number of questions to practice Why is blood needed by all the parts of body? tests, examples and also practice Class 7 tests.
|
|
Explore Courses for Class 7 exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup