Real Thunder

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The human bone structure, also known as the skeletal system, consists of 206 bones that provide support, protection, and movement for the body. Here's an overview: ### Main Components: 1. **Skull**: 22 bones that fuse together to form the cranium, face, and jaw. 2. **Vertebral Column**: 33 vertebrae that make up the spine, divided into 5 regions (cervical, thoracic, lumbar, sacrum, and coccyx). 3. **Thoracic Cage**: 24 ribs and the sternum (breastbone) that protect the heart and lungs. 4. **Upper Limb**: 64 bones, including the scapula (shoulder blade), humerus (upper arm), radius and ulna (forearm), carpals (wrist), metacarpals (hand), and phalanges (finger bones). 5. **Pelvis**: 4 fused bones that form the hip girdle. 6. **Lower Limb**: 64 bones, including the femur (thigh), patella (kneecap), tibia and fibula (lower leg), tarsals (ankle), metatarsals (foot), and phalanges (toe bones). ### Bone Functions: * **Support**: Provides a framework for the body * **Protection**: Shields internal organs (e.g., brain, heart, lungs) * **Movement**: Enables mobility through joints and muscles * **Blood Cell Production**: Bone marrow produces blood cells * **Mineral Storage**: Stores minerals like calcium and phosphorus ### Types of Bones: * **Long bones** (e.g., femur, humerus) * **Short bones** (e.g., carpals, tarsals) * **Flat bones** (e.g., sternum, skull) * **Irregular bones** (e.g., vertebrae, pelvis) The human bone structure is a complex and fascinating system that plays a vital role in our overall health and function.

Real Thunder

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Jul 1, 2025

@Realans

simple and precise, not lengthy, enough to understand.

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