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Visual Worksheet: Our Body | Worksheets with solutions for Class 1 PDF Download

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FAQs on Visual Worksheet: Our Body - Worksheets with solutions for Class 1

1. What are the main systems of the human body?
Ans.The main systems of the human body include the circulatory system, respiratory system, digestive system, nervous system, muscular system, skeletal system, endocrine system, immune system, urinary system, and reproductive system. Each system has specific functions that work together to maintain overall health and vitality.
2. How does the heart function in the circulatory system?
Ans.The heart functions as a pump in the circulatory system. It has four chambers: the right atrium and ventricle, which receive deoxygenated blood from the body and pump it to the lungs for oxygenation, and the left atrium and ventricle, which receive oxygenated blood from the lungs and pump it to the rest of the body.
3. What is the role of the lungs in the respiratory system?
Ans.The lungs play a crucial role in the respiratory system by facilitating the exchange of oxygen and carbon dioxide. When we inhale, air enters the lungs, and oxygen diffuses into the bloodstream, while carbon dioxide is expelled from the blood into the lungs to be exhaled.
4. Why is nutrition important for the body?
Ans.Nutrition is vital for the body as it provides the essential nutrients needed for growth, energy, maintenance of bodily functions, and repair of tissues. A balanced diet helps support the immune system, promotes healthy development, and reduces the risk of chronic diseases.
5. How do muscles work to enable movement?
Ans.Muscles work to enable movement through contraction and relaxation. When a muscle contracts, it shortens and pulls on the bones to which it is attached, creating movement at the joints. This process is controlled by signals from the nervous system, allowing for coordinated and intentional actions.
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