Bio-201 L Lab 6: Introduction to the Axial Skeleton correct VERIFIED ANSWERS

Bio-201 L Lab 6: Introduction to the Axial Skeleton axial skeleton - correct answers The portion of the skeleton that supports and protects the head, neck, and trunk Axial Skeleton Skull - 22 bones 8 cranial bones 1 front 1 occipital 1 sphenoid 1 ethmoid 2 parietal 2 temporal 14 facial bones 2 maxilla 2 palatine 2 zygomatic 2 lacrimal 2 nasal 1 vomer 2 inferior nasal concha 1 mandible Middle ear bones - 6 bones 2 malleus 2 incus 2 stapes Hyoid - 1 bone 1 hyoid bone Vertebral column - 26 bones 12 thoracic vertebra 7 cervical vertebra 5 lumbar vertebra 1 sacrum 1 coccyx Thoracic cage - 25 bones 24 ribs 1 sternum appendicular skeleton - correct answers The portion of the skeleton that attaches to the axial skeleton and has the limbs attached to it Pectoral girdle - 4 bones 2 scapula 2 clavicle Upper limbs - 60 bones 2 humerus 2 radius 2 ulna 16 carpal 10 metacarpal 28 phalanx Pelvic girdle - 2 bones 2 hip bones Lower limbs - 60 bones 2 femur 2 tibia 2 fibula 2 patella 14 tarsal 10 metatarsal 28 phalanx frontal bone of skull - correct answers forehead bone; protects cranium parietal bone of skull - correct answers flat bone on side of head occipital bone (skull) - correct answers back of skull, base of cranium foramen magnum - correct answers A large opening at the base of the skull through which the brain connects to the spinal cord. occipital condyles - correct answers Rounded projections lateral to the foramen magnum that articulate with the first cervical vertebra (atlas) external occipital protuberance - correct answers Bump in the back of the head on occipital bone