PE Chapter 1 skeleton Flashcards
function of skeleton
support
protection
movement
shape and structure
blood cell production
storage of minerals
definition of support
bones keep us upright, in position and held in place
definition of protection
some bones surround and protect our vital organs from damage
definition of movement
skeleton helps the body move by providing an anchor for muscles to pull against.
definition of shape and structure
skeleton provides us with our general shape and provides points for muscles to attach so they can contract when we move
definition of blood cell production
inner marrow of long bones produces red and white blood cells
definition of storage of minerals
bones store several minerals including calcium and phosphorus which can be released into the blood stream when needed
definition of long bones
used for gross movement and they provide leverage
definition of short bones
they are used for finer movements, they are weight bearing and act as stabilisers
definition of flat bones
these are used for protection, they have a larger SA which allows muscles to attach to them
definition of irregular bones
these have their own individual role and can be used for protection
parts of the synovial joint
ligament
bursae
synovial fluid
synovial membrane
joint capsule
cartilage
definition of ligament
stabilises the joint
definition of bursae
prevents rubbing and damage to the joints
definition of synovial membrane
produces synovial fluid
