Class 1 Exam > Class 1 Videos > Science for Class 1 > Our Body
Our Body Video Lecture | Science for Class 1
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17 videos|89 docs|24 tests
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FAQs on Our Body Video Lecture - Science for Class 1
| 1. What are the main organs of the human body? |  |
Ans. The main organs of the human body include the brain, heart, lungs, liver, and kidneys. These organs play vital roles in maintaining our overall health and well-being.
| 2. How does the circulatory system work in our body? | |
Ans. The circulatory system is responsible for transporting blood, oxygen, and nutrients throughout the body. It consists of the heart, blood vessels, and blood. The heart pumps oxygenated blood to different parts of the body through arteries, while veins carry deoxygenated blood back to the heart.
| 3. What is the role of the respiratory system? | |
Ans. The respiratory system is responsible for the exchange of oxygen and carbon dioxide in our body. It includes organs such as the lungs, trachea, bronchi, and diaphragm. When we inhale, oxygen enters the lungs, where it is transferred to the bloodstream. Carbon dioxide, a waste product, is then exhaled.
| 4. How does the digestive system help in breaking down food? | |
Ans. The digestive system is responsible for breaking down food into smaller molecules that can be absorbed by the body. It includes organs such as the mouth, esophagus, stomach, small intestine, and large intestine. Enzymes in the digestive system break down proteins, carbohydrates, and fats, allowing the nutrients to be absorbed and used by the body.
| 5. What is the function of the nervous system? | |
Ans. The nervous system controls and coordinates the activities of the body. It consists of the brain, spinal cord, and nerves. The brain receives and interprets information from the senses, while the nerves transmit signals to and from different parts of the body. The nervous system also plays a crucial role in maintaining homeostasis and controlling bodily functions.
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Dec 22, 2024 Last updated |
Video Description: Our Body for Class 1 2024 is part of Science for Class 1 preparation.
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