Musculoskeletal System Flashcards
function of the musculoskeletal system
made up of skeleton and skeletal muscle
- support, protection and movement
connective tissue
bone
ligaments
cartilage
bone
tissue is hard an dense (mostly non living)
bone cells within a matrix of minerals (mainly calcium and phosphorus) and collagen fibres
canals inside bone contain blood vessels and nerves
ligaments
tough, elastic connective tissues that hols bones together at the joints
mostly made up of long fibres of collagen
cartilage
dense connective tissue found in the ear, nose, esophagus, disks between vertebrae and joints
special cells in a matrix of collagen fibres
provides strong, flexible, low-friction support
what is a matrix?
interweaved
what is a skeletal muscle?
voluntary
muscles connected to bones via TENDON
what is smooth muscle?
involuntary
example esophagus
how do muscles interact?
muscles act in antagonistic pairs
when one muscle contracts, another must relax