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Infographics: Circulatory System | Science for Class 4

The document Infographics: Circulatory System | Science for Class 4 is a part of the Class 4 Course Science for Class 4.
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FAQs on Infographics: Circulatory System - Science for Class 4

1. What is the main function of the circulatory system?
Ans. The main function of the circulatory system is to transport blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body. It ensures that all cells receive the necessary substances for energy and growth, while also removing waste products.
2. What are the major components of the circulatory system?
Ans. The major components of the circulatory system include the heart, blood vessels (arteries, veins, and capillaries), and blood. The heart pumps blood, blood vessels carry it to and from the body, and blood contains red and white blood cells, platelets, and plasma.
3. How does the circulatory system interact with the respiratory system?
Ans. The circulatory system interacts with the respiratory system by exchanging gases. The respiratory system brings oxygen into the lungs, where it diffuses into the blood. At the same time, carbon dioxide from the blood is expelled into the lungs to be exhaled.
4. What is the role of the heart in the circulatory system?
Ans. The heart acts as a pump in the circulatory system, ensuring the continuous flow of blood. It has four chambers (two atria and two ventricles) that work together to circulate oxygen-rich blood to the body and return oxygen-poor blood to the lungs for oxygenation.
5. What are common diseases associated with the circulatory system?
Ans. Common diseases associated with the circulatory system include hypertension (high blood pressure), atherosclerosis (hardening of the arteries), heart attacks, strokes, and varicose veins. These conditions can significantly impact overall health and require medical attention.
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