What benefit is provided by a lever that operates at a mechanical advantage?
What benefit is provided by a lever that operates at a mechanical advantage?
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
What benefit is provided by a lever that operates at a mechanical advantage?
Expert Solution
Introduction
Muscular systems are organ systems that are made up of various muscles such as smooth, cardiac, and skeletal. Body posture, blood circulation, and movement are all influenced by the muscular system.
Smooth muscles are a type of involuntary muscle found in the walls of blood vessels, intestines, gallbladders, and stomach.
Cardiac muscles are a type of involuntary muscle found solely in the heart.
Skeletal muscles are a type of involuntary muscle connected to the bones and are found in the legs and arms.
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