Quiz Flashcards
4 main functions of muscular system
movement
heat
support
storing/moving substances
3 muscle types and indicate whether they are striated/non-striated
smooth - non-striated
cardio - striated
skeletal - striated
what does autorythmic mean?
Contracts/relaxes automatically
What is the special name for the plasma membrane of a muscle cell?
sarcolemma
Fill the gap:
Muscle>muscle fibres>_____>filaments
Myofibrils
What is the job of sarcoplasmic reticulum
stores calcium
What are the names of the two myofilaments that perform contraction in the muscles?
actin
myosin
Where would you find the Epimysium
fascia wrapped around the cell bundles
which neurotransmitter do you find around the neuromuscular junction?
ACH
Why do muscles need a good blood supply?
To get oxygen, nutrients and remove waste
Which produces more ATP, aerobic or anaerobic respiration?
Aerobic
What is the name of the oxygen binding protein found in muscles?
myoglobin
Which type of muscle fibres fatigue quickly but are the most powerful?
Fast Twitch 2b
What is the key difference between cardiac muscle and skeletal muscle?
Cardiac is involuntary, autorythmic
Name 3 places you might find smooth muscle?
colon
blood vessels
arteries
bladder
