The Skeleton and Muscles Flashcards
Axial Skeleton
The axial skeleton consists of the skull, spine, ribs and sternum (breastbone)
Appendicular Skeleton
The appendicular skeleton is composed of the limbs (arms and legs), the pectoral (shoulder) girdle and th pelvic (hip) girdle
Pectoral Girdle
The pectoral girdle consists of the collarbone (or clavicle) and the shoulder blade (or scapula)
Pelvic Girdle
The pelvic girdle is composed of two halves of the hip joined to the sacrum
Osteoblast
An osteoblast is a bone-forming cell
Growth Plate
The growth plate is the area between the epiphysis and the diaphysis in a long bone within which bone growth occurs
Osteoclast
An osteoclast is a bone-digesting cell
Joint
A joint is where two or more bones meet
Synovial Fluid
Synovial fluid is produced in movable joints to lubricate and reduce friction
Ligaments
Ligaments are strong, fibrous, slightly elastic tissues that connect bone to bone
Tendons
Tendons are strong, flexible, inelastic fibres that connect muscle to bone
Antagonistic Pair
An antagonistic pair is two muscles that have opposite effects to each other
