Functions and more for muscular system Flashcards
Functions of the muscular system and what they do (1)
Movement
- pull on bones
- levers that muscles move
Functions of the muscular system and what they do (2)
Posture and position
- works for long periods of time
- keeps everything in line with- where they are supposed to be
Functions of the muscular system and what they do (3)
Construction of organs and vessels
- moves blood/food around
Functions of the muscular system and what they do (4)
Guards entrances and exits
- so that things stay in when they need to
Functions of the muscular system and what they do (5)
Body temperature
- moving muscles provides heat
Functions of the muscular system and what they do (7)
Respiration
- makes intercostals move to breath
- gets us to get air
Functions of the muscular system and what they do (6)
communication
- verbal - muscles changing tension in vocal chord
- facial expression
contractility
ability to get shorter with force
excitability
- capacity of muscle to respond to a stimulus
- muscle can be turned on and off
extensibility
-muscles can be stretched
- go beyond normal degree of flexibility
elasticity
- ability to recoil
- stretch and recoil
- way stronger
Gross anatomy
The whole thing
Connective tissue: fascia
connects everything - covers all of muscle
epimysium
- covers whole muscle
- deeper than fascia
tendon
- comes out of epimysium
- epimysium gathered at one end