Real context moved 0.0pp on Paraphrase Non-Invariance.

Of course. Here is the answer to your question. In an adult human, the typical total bone count is **206**. However, this number can vary slightly from person to person. The most common variations are: * **Extra bones in the skull:** Some sutures (the seams between skull bones) may not fully fuse, resulting in a few extra small bones called **sutural** or **Wormian bones**. * **Sesamoid bones:** These are small bones embedded within tendons. The patella (kneecap) is the largest and only consistently present sesamoid bone. Others, like those in the hands and feet, can vary in number. * **Variations in hands and feet:** Some people may have extra (accessory) bones or fused bones in their wrists (carpals) or ankles (tarsals). ### Breakdown by Skeletal Region: Here is how the 206 bones are typically distributed: * **Axial Skeleton (80 bones):** The central supporting axis of the body. * **Skull (28 bones):** Cranial bones (8), Facial bones (14), Auditory ossicles (6), Hyoid (1). * **Vertebral Column (26 bones):** Cervical vertebrae (7), Thoracic vertebrae (12), Lumbar vertebrae (5), Sacrum (1, fused from 5), Coccyx (1, fused from 4). * **Thoracic Cage (25 bones):** Ribs (24, 12 pairs), Sternum (1). * **Appendicular Skeleton (126 bones):** The limbs and their attachments. * **Pectoral (Shoulder) Girdles (4 bones):** Scapula (2), Clavicle (2). * **Upper Limbs (60 bones):** Humerus (2), Radius (2), Ulna (2), Carpals (16), Metacarpals (10), Phalanges (28). * **Pelvic (Hip) Girdle (2 bones):** Hip bones (2 - each is fused from ilium, ischium, and pubis). * **Lower Limbs (60 bones):** Femur (2), Patella (2), Tibia (2), Fibula (2), Tarsals (14), Metatarsals (10), Phalanges (28). **Key Fact:** Babies are born with **around 270 bones**. As they grow, many of these smaller bones (e.g., in the skull, spine, and hips) fuse together into larger, single bones, eventually resulting in the adult count of 206.

detector fmi_5_2_v1: answers invariant across paraphrases