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Mind Map: Skeletal & Muscular System | Science Class 5

The document Mind Map: Skeletal & Muscular System | Science Class 5 is a part of the Class 5 Course Science Class 5.
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FAQs on Mind Map: Skeletal & Muscular System - Science Class 5

1. What are the main functions of the skeletal system?
Ans. The skeletal system has several important functions. It provides structure and support to the body, protects vital organs (like the brain and heart), allows for movement by acting as levers for muscles, stores minerals (such as calcium), and produces blood cells in the bone marrow.
2. How many bones are in the human body?
Ans. An adult human body typically has 206 bones. However, babies are born with approximately 270 bones, but as they grow, some of these bones fuse together, resulting in the lower number of bones in adulthood.
3. What is the difference between voluntary and involuntary muscles?
Ans. Voluntary muscles are those that we can control consciously, such as the muscles in our arms and legs. In contrast, involuntary muscles work automatically and are not under our conscious control, like the heart muscles and those in the digestive system.
4. How do bones and muscles work together to help us move?
Ans. Bones and muscles work together in a system called the musculoskeletal system. Muscles are attached to bones by tendons. When muscles contract, they pull on the bones, causing them to move. This coordinated action allows us to perform various movements, from walking to jumping.
5. Why is it important to take care of our bones and muscles?
Ans. Taking care of our bones and muscles is essential for maintaining overall health and mobility. Proper nutrition, regular exercise, and avoiding harmful habits (like smoking) help keep bones strong and muscles flexible. This reduces the risk of injuries, fractures, and conditions like osteoporosis as we age.
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