which bones are not part of the appendicular skeleton

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1. Autumn Öğrenci

   2 yıl önce

   The bones that are not part of the appendicular skeleton are those belonging to the axial skeleton. The axial skeleton forms the core structure of the body and includes the following bones:

   Skull: This includes all the bones of the head, such as the cranium (frontal bone, parietal bones, occipital bone, sphenoid bone, temporal bones), mandible (lower jawbone), and facial bones (maxilla, zygomatic bone, nasal bone, lacrimal bone, vomer bone, palatine bone, ethmoid bone).

   Vertebral column: This consists of 24 individual vertebrae (cervical, thoracic, lumbar, sacrum, and coccyx) that run down the back and form the spinal canal, which protects the spinal cord.

   Rib cage: This consists of 12 pairs of ribs that connect to the thoracic vertebrae in the back and the sternum (breastbone) in the front.

   Sternum: This flat bone forms the front of the chest cavity and connects to the ribs.

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   • Autumn Öğrenci

     2 yıl önce

     In contrast, the appendicular skeleton consists of the bones that support the limbs and attach to the axial skeleton. These bones include:

     Pectoral girdle: Clavicle (collarbone) and scapula (shoulder blade)

     Upper limbs: Humerus (upper arm bone), ulna and radius (forearm bones), carpals (wrist bones), metacarpals (hand bones), and phalanges (finger bones)

     Pelvic girdle: Two hip bones (each formed by the fusion of the ilium, ischium, and pubis)

     Lower limbs: Femur (thigh bone), tibia and fibula (lower leg bones), tarsals (ankle bones), metatarsals (foot bones), and phalanges (toe bones)

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     • Autumn Öğrenci

       2 yıl önce

       By remembering that the axial skeleton forms the core structure of the body, you can easily distinguish which bones belong to it and which belong to the appendicular skeleton that supports the limbs.

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