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Our Skeletal System: The Bones Video Lecture - Class 6

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1. What is the skeletal system and what are its main functions?
Ans. The skeletal system is the framework of bones that supports our body. Its main functions include providing shape and support to the body, protecting internal organs, facilitating movement, producing blood cells, and storing minerals.
2. How many bones are there in the human skeletal system?
Ans. The human skeletal system consists of 206 bones. These bones are classified into two main categories: axial skeleton (including the skull, vertebral column, and ribcage) and appendicular skeleton (including the bones of the limbs and their girdles).
3. How are bones connected to each other in the skeletal system?
Ans. Bones are connected to each other in the skeletal system through joints. Joints can be classified into three main types: fibrous joints (immovable joints found in the skull), cartilaginous joints (partially movable joints found in the spine), and synovial joints (freely movable joints found in the limbs).
4. How does the skeletal system contribute to the production of blood cells?
Ans. The skeletal system plays a crucial role in the production of blood cells through a process called hematopoiesis. Red bone marrow, found in the spongy part of certain bones, is responsible for producing red blood cells, white blood cells, and platelets.
5. How does the skeletal system store minerals and why is it important?
Ans. The skeletal system stores minerals, mainly calcium and phosphorus, which are essential for various bodily functions. When the body needs these minerals for other functions, such as muscle contraction or nerve signaling, the skeletal system releases them into the bloodstream. This storage and release mechanism helps maintain the mineral balance in the body and ensures proper functioning of vital processes.
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Our Skeletal System: The Bones Video Lecture - Class 6

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