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WorksheetsMuscular System_week of Nov. 9
Total questions: 11
Worksheet time: 11mins
A muscle is made up of many (a) .
By definition, a fascicle is a bundle of many...
myofibers
myofibrils
myofilaments
The unique contractile organelles found in muscle cells are...
myofibers
myofibrils
myofilaments
mitochondria
Which of these cellular structures go by different names in a muscle cell?
nucleus
cell membrane
cytoplasm
endoplasmic reticulum
mitochondria
1 is the sarcomere
7 is the I-band
6 is the A-band
5 is the Z-disk
8 is the M-line
Only type an answer for ONE of the blanks.
3 is the ____ filament (also known as _____).
(a)
Only type an answer to ONE of the blanks.
4 is the _____ filament (also known as ______).
(a)
Which molecules are necessary for successful muscle contraction?
Calcium
Phosphorus
ATP
Glucose
Which structure does the pulling in the Sliding Filament theory?
myosin
actin
M-line
Z-disk
Which structure is sliding, or being pulled, in the Sliding Filament theory?
myosin
actin
M-line
Z-disk
How does the Sliding Filament theory explain total muscle contraction?
