Question: According to the sliding filament model of contraction, the components of the sarcomere that shorten when the muscle contracts are numbered? A) 3 and 4 B) 3,4 and 6 C) 1 and 2 D) 1,2 and 5

Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter8: Muscle Physiology
Section: Chapter Questions
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Question: According to the
sliding filament model of
contraction, the components of
the sarcomere that shorten when
the muscle contracts are
numbered?
A) 3 and 4
B) 3,4 and 6
C) 1 and 2
D) 1,2 and 5
Transcribed Image Text:Question: According to the sliding filament model of contraction, the components of the sarcomere that shorten when the muscle contracts are numbered? A) 3 and 4 B) 3,4 and 6 C) 1 and 2 D) 1,2 and 5
The sliding filament model of
contraction is a theory that is
used to explain how muscles
contract to cause movement. The
theory explains that the change
in the length of the muscle
during contraction is due to the
sliding of the myofilaments past
each other and not to a change in
the length of either of the
myofilaments.
Transcribed Image Text:The sliding filament model of contraction is a theory that is used to explain how muscles contract to cause movement. The theory explains that the change in the length of the muscle during contraction is due to the sliding of the myofilaments past each other and not to a change in the length of either of the myofilaments.
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