Skeletal System 1

What subdivision of the skeleton is seen here in blue?

• Axial

• Skeletal

• Appendicular

• Pelvic

What structure is labeled C?

• epiphysis

• articular cartilage

• diaphysis

• medullary cavity

What is the yellow substance seen in the medullary cavity of this long bone?

• adipose tissue

• red bone marrow

• blood

• connective tissue

Classification of bones seen in the box

• flat

• irregular

• long

• short

What is the purpose of the openings in this bone?

• sites of attachment for muscles

• they help form joints

• passageway for blood vessels and nerves

• site of ligament attachment

What are the factors that most influence bone remodeling and growth?

• gravity and blood calcium levels

• genetics and force

• vitamins and exercise

• space travel and astronaut ice cream

Type of fracture seen here

• simple

• closed

• compound

• greenstick

bone building cells

• osteoclasts

• osteoblasts

• osteocytes

• osteons

Subdivision of the skeleton seen here in blue

• cranial skeleton

• vertebral skeleton

• appendicular skeleton

• axial skeleton

Minerals stored in bones

• sodium and potassium

• magnesium and calcium

• calcium and phosphorus

• iron and zinc