Class 7 Exam > Class 7 Videos > Transportation In Human Beings - Class 7
Transportation In Human Beings - Class 7 Video Lecture
FAQs on Transportation In Human Beings - Class 7 Video Lecture
| 1. What is transportation in human beings? |  |
Ans. Transportation in human beings refers to the movement of substances such as oxygen, nutrients, hormones, and waste products within the body. This process is carried out by a complex network of blood vessels and the circulatory system.
| 2. How does transportation occur in human beings? | |
Ans. Transportation in human beings occurs through the circulatory system, which includes the heart, blood vessels, and blood. The heart pumps oxygenated blood to various parts of the body through arteries. Oxygen and nutrients are transported to the cells while waste products like carbon dioxide are carried back to the lungs for exhalation.
| 3. Why is transportation important in human beings? | |
Ans. Transportation is important in human beings as it ensures the delivery of essential substances to different parts of the body. Oxygen is transported to cells for respiration, nutrients are carried to provide energy, hormones are transported for communication between organs, and waste products are removed to maintain a healthy internal environment.
| 4. What are the main components of the circulatory system in human beings? | |
Ans. The main components of the circulatory system in human beings are the heart, blood vessels, and blood. The heart acts as a pump that propels the blood, while blood vessels, including arteries, veins, and capillaries, form a network to transport blood throughout the body. Blood, on the other hand, carries oxygen, nutrients, hormones, and waste products.
| 5. How does the heart play a role in transportation in human beings? | |
Ans. The heart plays a crucial role in transportation in human beings. It acts as a muscular pump that contracts and relaxes, pumping blood to different parts of the body. The heart's left side receives oxygenated blood from the lungs and pumps it to the rest of the body, while the right side receives deoxygenated blood from the body and pumps it to the lungs for oxygenation. This continuous pumping action ensures the circulation of blood and transportation of substances throughout the body.
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Nov 15, 2024 Last updated |
Transportation In Human Beings - Class 7 for Class 72024 is part of Class 7 preparation. The notes and questions for Transportation In Human Beings - Class 7
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