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Comparison Table of Heart in Vertebrates & Aortic Arch Video Lecture | Zoology Optional Notes for UPSC
FAQs on Comparison Table of Heart in Vertebrates & Aortic Arch Video Lecture - Zoology Optional Notes for UPSC
| 1. What are the main differences between the heart in vertebrates and the aortic arch? |  |
Ans. The main differences between the heart in vertebrates and the aortic arch lie in their structures and functions. The heart in vertebrates is a muscular organ that pumps blood throughout the body, while the aortic arch is a part of the circulatory system that connects the heart to the rest of the body through the aorta.
| 2. How many chambers does the heart in vertebrates typically have, and what is their function? | |
Ans. The heart in vertebrates typically has four chambers - two atria and two ventricles. The atria receive blood from the body and the lungs, while the ventricles pump blood out to the body and the lungs. This separation of oxygenated and deoxygenated blood helps improve the efficiency of the circulatory system.
| 3. What is the significance of the aortic arch in the circulatory system? | |
Ans. The aortic arch plays a crucial role in the circulatory system as it is responsible for carrying oxygen-rich blood from the heart to the rest of the body. It branches off into major arteries that supply blood to various organs and tissues, ensuring proper oxygenation and nutrient delivery throughout the body.
| 4. How do the heart in vertebrates and the aortic arch work together to maintain proper circulation? | |
Ans. The heart in vertebrates pumps blood into the aortic arch, which then distributes it to the different parts of the body through its branches. The coordinated action of the heart and the aortic arch ensures that oxygenated blood is delivered to the tissues that need it, while deoxygenated blood is carried back to the heart for re-oxygenation.
| 5. Can abnormalities in the heart in vertebrates or the aortic arch lead to health problems? | |
Ans. Yes, abnormalities in the heart in vertebrates or the aortic arch can lead to various health problems. For example, congenital heart defects can disrupt the normal functioning of the heart, while blockages or malformations in the aortic arch can impede proper blood flow, potentially leading to serious complications such as heart attacks or strokes. Regular monitoring and timely intervention are essential to address any issues related to these vital components of the circulatory system.
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Oct 13, 2025
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