Class 7 Exam > Class 7 Videos > Fun Video: Role of the Heart in Pumping Blood
Fun Video: Role of the Heart in Pumping Blood Video Lecture - Class 7
FAQs on Fun Video: Role of the Heart in Pumping Blood Video Lecture - Class 7
| 1. How does the heart pump blood throughout the body? |  |
Ans. The heart pumps blood throughout the body by contracting and relaxing in a rhythmic pattern, allowing blood to flow through the chambers and into the arteries that carry it to various parts of the body.
| 2. What is the role of the valves in the heart in pumping blood? | |
Ans. The valves in the heart ensure that blood flows in one direction, preventing backflow. They open and close in coordination with the heart's pumping action, regulating the flow of blood through the chambers.
| 3. How does the heart receive oxygen-rich blood to pump throughout the body? | |
Ans. The heart receives oxygen-rich blood from the lungs through the pulmonary veins. This oxygenated blood is then pumped out to the rest of the body through the aorta, the largest artery in the body.
| 4. What happens if the heart is unable to pump blood effectively? | |
Ans. If the heart is unable to pump blood effectively, it can lead to various health conditions such as heart failure, where the heart is unable to meet the body's demands for blood and oxygen, resulting in fatigue and shortness of breath.
| 5. How can lifestyle changes such as diet and exercise impact the heart's ability to pump blood effectively? | |
Ans. Maintaining a healthy diet and engaging in regular exercise can help improve the heart's ability to pump blood effectively by reducing the risk of conditions such as high blood pressure and atherosclerosis, which can strain the heart and impede its function.
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Nov 08, 2024 Last updated |
Fun Video: Role of the Heart in Pumping Blood for Class 72024 is part of Class 7 preparation. The notes and questions for Fun Video: Role of the Heart in Pumping Blood
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