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Cartilage at the ends of bones, called articular cartilage, serves several important functions in joints. It provides a smooth, slippery surface that reduces friction, allowing bones to move smoothly against each other. It also acts as a shock absorber, cushioning the joint during impact and distributing forces evenly to prevent damage. Additionally, cartilage helps maintain … Read more
Exercise strengthens bones and muscles, improves joint flexibility, and reduces the risk of osteoporosis and arthritis. It also enhances overall physical and mental health. Related Questions: Distinguish between: Why is Andreas Vesalius famous for? Explain the following statements: Why does bone mass decrease in osteoporosis? Name the structure through which the exchange of gases can … Read more
In osteoporosis, bones lose calcium and other minerals, making them weak and porous. This happens due to hormonal changes, aging, and nutritional deficiencies. Related Questions: Distinguish between: Why is Andreas Vesalius famous for? Explain the following statements: Why do you need to exercise regularly? What is the function of cartilage at the end of bones? … Read more
(a) Children should be encouraged to drink milk. Milk is rich in calcium and vitamin D, which are essential for bone growth and strength, preventing conditions like rickets. (b) The sutures of the skull are fixed joints. Sutures are immovable joints that hold skull bones together, protecting the brain and providing structural integrity. Related Questions: … Read more
Andreas Vesalius is famous for his work in human anatomy. He wrote De Humani Corporis Fabrica, which provided detailed studies of the human body, revolutionizing medical science. Related Questions: Distinguish between: Name the structure through which the exchange of gases can take place in plants. Name the ways through which a plant can obtain oxygen. … Read more
(a) Compact and spongy bone: Compact Bone: Dense, strong, and forms the outer layer of bones. Provides strength and support. Spongy Bone: Porous, lightweight, and found inside bones. Contains red bone marrow for blood cell production. (b) Cartilage and bone: Cartilage: Soft, flexible connective tissue without blood vessels. Provides cushioning and support. Bone: Hard, mineralized … Read more