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WorksheetsMuscle fibers chapter 11 slide 12-19
Total questions: 23
Worksheet time: 20mins
The contractile unit of a muscle is called the
sarcolemma
sarcomere
sarcoplasm
Label 1 and 3
(a)
Label 4 and 5
(a)
Label 2
(a)
Label 6
(a)
Label 7
(a)
Label 8
(a)
Label 8
(a)
Label 1
(a)
Label 2
(a)
Label 3
(a)
Label 4
(a)
Label 5
(a)
Label 6
(a)
Label 7
(a)
The sliding filament theory proposes that
Muscle cells shorten because their individual sarcomeres shorten
Muscle cells elongate because their individual sarcomeres shorten
Skeletal muscle must be stimulated by a (a) or it will not contract.
A motor unit is made up of
each motor neuron and all the muscle fibers it innervates
a nucleus pulposus and herniation
a battery powered engine and sunlight
Label 1
(a)
Label 2
(a)
The average motor unit contains about
100 muscle fibers
200 muscle fibers
300 muscle fibers
400 muscle fibers
Fine Degree of Control is usually carried out by
small motor units
large motor units
More strength than control refers to what type of motor units
large
medium
small
