class 5th science chapter 3 written work bones and muscles
Page 182 Science question answer Answer the following questions 1. Why is a skeleton necessary? Answer: skeleton provide shape, frame, support and protect the delicate organ inside the body. 2. What are involuntary muscles? Answer muscles that do not work at our will is called involuntary muscles 3. What is a joint? Answer: a joint is a place where two bones meet. 4. Mention four function of Skeleton Answer: 1. it protects the delicate organs inside the body. 2. It provides shape to the body 3. It provide movement to the body 4. It provides support to the body 5. It provides a frame to the body 5. Explain how the bones are arranged in backbone? Answer: it is made of 33 small and hollow bones called vertebrae. These bones are arranged over each other and form a tube like structure. Differentiate between the following 1. Movable and immovable joints 2. Cardiac muscles and skeletal muscles Answer: movable joints: joi...