Glencoe Biology

Section 3: TheMuscular System

Self-Check Quizzes

1
Muscles arranged in a network with efficient and rhythmic contractions are called ____ muscles.
A)cardiac
B)voluntary
C)antagonistic
D)skeletal
2
Protein filaments that make up myofibrils are called ____.
A)cardiac cells and sarcomeres
B)sarcomeres and actin
C)actin and myosin
D)sarcomeres and myosin
3
What do muscles require for ATP production?
A)anaerobic fermentation
B)lactic acid and fermentation
C)an anaerobic process
D)oxygen and cellular respiration
4
Which of the following statements is not true regarding sliding filament theory?
A)Myosin filaments slide together.
B)Contractions are activated by nerve signals.
C)Actin filaments slide together.
D)Myosin filaments remain still.
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