Skeletal System 3 Scayla School Flashcards
(52 cards)
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What are the two main classifications of the human skeleton?
Axial skeleton and appendicular skeleton
What bones are included in the axial skeleton?
Skull, vertebral column, ribs, and sternum
What bones are included in the appendicular skeleton?
Bones of upper limb, lower limb, pectoral girdle, and pelvic girdle
What forms the skeleton of the head?
The skull with mandible
What is the cranium?
The skull without mandible
What does the vertebral column consist of?
Series of vertebrae
How do the bodies of vertebrae articulate with each other?
Through fibrocartilaginous intervertebral discs
How many regions is the vertebral column distinguished into?
Five regions
How many vertebrae form the cervical region?
Seven vertebrae
How many vertebrae form the thoracic region?
Twelve vertebrae
How many vertebrae form the lumbar region?
Five vertebrae
How many vertebrae form the sacral region?
Five vertebrae
How many vertebrae form the coccygeal region?
Four vertebrae
What forms the thoracic cage?
Thoracic vertebrae, ribs, costal cartilages, and sternum
What forms the sacrum?
United sacral vertebrae
What forms the pelvis?
Sacrum and two hip bones
What are the three segments of the upper and lower limbs?
Proximal, intermediate, and distal
What bone is in the proximal segment of the upper limb?
Humerus
What bone is in the proximal segment of the lower limb?
Femur
What bones are in the intermediate segment of the upper limb?
Radius and ulna