Grade 9 Exam > Grade 9 Videos > Biology > Circulatory System Part - 2
Circulatory System Part - 2 Video Lecture | Biology - Grade 9
FAQs on Circulatory System Part - 2 Video Lecture - Biology - Grade 9
| 1. What is the main function of the circulatory system? |  |
Ans. The main function of the circulatory system is to transport oxygen, nutrients, hormones, and waste products throughout the body.
| 2. How does the circulatory system help regulate body temperature? | |
Ans. The circulatory system helps regulate body temperature by distributing heat produced by muscles and other organs evenly throughout the body.
| 3. What are the three main components of the circulatory system? | |
Ans. The three main components of the circulatory system are the heart, blood vessels, and blood.
| 4. How does the circulatory system play a role in immune response? | |
Ans. The circulatory system plays a role in immune response by transporting white blood cells to areas of infection or injury to help fight off pathogens.
| 5. How does exercise benefit the circulatory system? | |
Ans. Exercise benefits the circulatory system by strengthening the heart muscle, improving blood circulation, and lowering blood pressure.
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Sep 23, 2025
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