Skeletal system

Question 1

Axial skeleton

Answer 1

Skull
Spine
Ribs

Question 2

Appendicular skeleton

Answer 2

60 in upper extremities
60 in lower extremities
2 in pelvic girdle
4 in shoulder girdle

Question 3

Flat Bones

Answer 3

Curved surface and provide protection for internal organs
Ribs, sternum, clavicle, and scapula

Question 4

Short Bones

Answer 4

Small, cube shaped
Carpals and tarsals, calcaneus

Question 5

Long Bones

Answer 5

Long, cylindrical shaft and provide structural support
Tibia, fibula, femur, radius, ulna, and humerus

Question 6

Sesamoid Bones

Answer 6

Small bones in the tendon of a musculotendinous joint
Patella and flexor tendon of the foot and thumb

Question 7

Irregular Bones

Answer 7

Serve a variety of purposes; includes the bones of the spine
Bones in the ischium and pubis

Question 8

Bone structure

Answer 8

Bone marrow: the soft, sponge-like tissue in the center of most bones containing stem cells of red or white blood cells or platelets

Cancellous bone: the meshwork of spongy tissue (trabeculae) of mature adult bone, typically found at the core of vertebral bones and the ends of the long bones

Compact bone: a denser material, also known as cortical bone, making up the hard structure of the skeleton

Question 9

Bone formation

Answer 9

Osteogenesis: the process of bone formation or remodeling

Myositis ossificans: a condition when bone tissue forms within a
muscle or other soft tissue as a result of trauma or injury

Cartilage: firm, flexible connective tissue that pads and protects joints and structural components of the body

Wolff’s law: the explanation for bone adaptations as a result of the loads placed on them