Multiple Choice
What directly stimulates a skeletal muscle fiber to contract at the neuromuscular junction?
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9. Muscle Tissue
Introduction to Muscles and Muscle Tissue
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In a typical adult, approximately what percentage of total body weight is composed of skeletal muscle tissue?
A
About 10% of body weight
B
About 40% of body weight
C
About 25% of body weight
D
About 60% of body weight
Verified step by step guidance1
Understand that the problem is asking for the typical percentage of total body weight made up by skeletal muscle tissue in an average adult.
Recall that skeletal muscle tissue is the type of muscle attached to bones and responsible for voluntary movements, and it constitutes a significant portion of body mass.
Consider that the percentage varies depending on factors like age, sex, and fitness level, but there is a commonly accepted average value used in anatomy and physiology.
Use reliable anatomical and physiological sources or textbooks that state the average percentage of skeletal muscle mass relative to total body weight in adults.
Conclude that the typical value is around 40%, which reflects the substantial contribution of skeletal muscle to overall body composition.
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