The skeleton and muscles Flashcards
The axial skeleton
The axial skeleton consists of the skull, spine, ribs and sternum (breastbone)
The appendicular skeleton
The appendicular skeleton is composed of the limbs (arms and legs), the pectoral (shoulder) girdle and the pelvic (hip) girdle
The pectoral girdle
The pectoral girdle consists of the collarbone (or clavicle) and the shoulder blade (or scapula)
The pelvic girdle
The pelvic girdle is composed of two halves of the hip joined to the sacrum
An osteoblast
An osteoblast is a bone-forming cell
The growth plate
The growth plate is the area between the epiphysis and the diaphysis in a long bone within which bone growth occurs
An osteoclast
An osteoclast is a bone-digesting cell
A joint
A joint is where two or more bones meet
Synovial fluid
Synovial fluid is produced in movable joints to lubricate and reduce friction
