muscular systems part 1 Flashcards
what are the 5 functions of muscle
movement, heat production, joint stability, retains posture, movement of substances in the body
describe movement as a function of the muscles
skeletal muscles pull on bone to produce motion
describe heat production as a function of muscles
repeat contractions of sk muscles creates heat, inc core/ muscle temp
describe joint stability as a function of muscles
skeletal muscles contract to stabilise joints
describe retains posture as a function of muscles
muscle pairs (agonist/antagonist) work to keep upright posture
describe movement of substances in the body
cardiac and smooth muscles contract moving substances around the body
what do valves do when calf muscles are relaxed
prevent back flow
what does the muscle contraction cause
blood flow
what are the three types of muscle tissue
smooth, cardiac and skeletal
are the three types of muscle involuntary or voluntary
skeletal- voluntary
cardiac- involuntary
smooth-involuntary
where is skeletal muscle attached to
skeleton
where is cardiac muscle
heart
where is smooth muscle
walls of hollow internal structure e.g. stomach, blood vessels etc
what types of muscles are striated
cardiac and skeletal
what types of muscle are non-striated
smooth