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What does your skeleton do? | Year 3 Science PDF Download

What is a Skeleton?

  • Animals have skeletons that serve to support and safeguard their bodies while facilitating mobility. 
  • The human skeleton, comprised of various bones, grows in size along with the individual. 
  • Bones come in diverse shapes and sizes, with the largest typically found in the legs and the smallest in the ears.

What does your skeleton do? | Year 3 Science

Functions of the Skeleton

All your bones have specific functions:

  • Protection: Your skull protects your brain, and your ribs protect your heart, lungs, and other vital organs.
  • Support: The bones in your legs, back, and neck keep you upright.
  • Movement: Your muscles pull on your bones to allow movement. Joints between bones, like your elbows and knees, facilitate this movement.

It is important to eat a healthy diet with enough calcium to help your bones grow properly. Calcium is found in dairy products like milk and cheese.

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FAQs on What does your skeleton do? - Year 3 Science

1. What is a skeleton?
Ans. A skeleton is the framework of bones that supports and protects the body of humans and other vertebrates.
2. What are the functions of the skeleton?
Ans. The skeleton has several functions including providing structure and support for the body, protecting vital organs, allowing movement through its joints, producing blood cells in the bone marrow, and storing minerals such as calcium.
3. What does the skeleton do?
Ans. The skeleton plays a crucial role in providing support and structure for the body, protecting internal organs, enabling movement, and producing blood cells.
4. How does the skeleton protect vital organs?
Ans. The skeleton forms a protective barrier around vital organs such as the brain, heart, and lungs, helping to prevent damage from external forces.
5. What is the importance of calcium storage in the skeleton?
Ans. The skeleton stores calcium, which is essential for various bodily functions including muscle contraction, nerve function, and blood clotting. When the body needs more calcium, it can be released from the bones to maintain the balance.
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