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Visual Worksheet: Our Body | EVS for Class 1 PDF Download

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FAQs on Visual Worksheet: Our Body - EVS for Class 1

1. What are the major systems of the human body?
Ans. The major systems of the human body include the circulatory system, respiratory system, digestive system, nervous system, muscular system, skeletal system, endocrine system, immune system, integumentary system, and reproductive system. Each system has its own unique functions and works together to maintain the body's overall health.
2. How does the circulatory system function?
Ans. The circulatory system functions by transporting blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body. It consists of the heart, blood vessels, and blood. The heart pumps blood through arteries to various tissues and organs, while veins return deoxygenated blood back to the heart.
3. What role do muscles play in the body?
Ans. Muscles play a crucial role in the body by enabling movement, maintaining posture, and producing heat. There are three types of muscles: skeletal muscles (which control voluntary movements), smooth muscles (found in organs and blood vessels), and cardiac muscles (which make up the heart). Together, these muscles work to facilitate various bodily functions.
4. Why is the nervous system important?
Ans. The nervous system is important because it controls and coordinates all body activities by transmitting signals between different parts of the body. It consists of the brain, spinal cord, and peripheral nerves. The nervous system is responsible for sensory perception, motor control, and regulating bodily functions, making it essential for survival.
5. How does the digestive system process food?
Ans. The digestive system processes food through a series of mechanical and chemical actions. It begins in the mouth, where food is chewed and mixed with saliva. The food then travels through the esophagus to the stomach, where it is mixed with digestive acids. The small intestine further breaks down the food and absorbs nutrients, while the large intestine removes waste.
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