Explain how muscles obtain energy for contraction (esp. in absence of O2). Be sure to discuss the 4 major methods muscles use to obtain energy during short, intense exercise.
Explain how muscles obtain energy for contraction (esp. in absence of O2). Be sure to discuss the 4 major methods muscles use to obtain energy during short, intense exercise.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
7B. Explain how muscles obtain energy for contraction (esp. in absence of O2). Be sure to discuss the 4 major methods muscles use to obtain energy during short, intense exercise.
Expert Solution
Step 1
The source of energy used to stimulate the movement of the working muscle is adenosine triphosphate (ATP) - the body's chemical mechanism for storing and transporting energy. However, ATP is not stored in large amounts in cells. Therefore, when muscle contraction begins, the production of additional ATP should begin immediately.
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