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Fundamental Principles of Fitness Notes Chapter 3 Gabriel Higerd

Heart a a muscular pump that rhythmically contracts

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Unformatted text preview: roducts. Cardiovascular System - The cardiovascular system is comprised of the heart, blood, and blood vessels. Heart a. A muscular pump that rhythmically contracts to push blood throughout the body b. Heart muscle is termed cardiac muscle and has characteristics similar to skeletal muscle. a. However, cardiac muscle contraction is involuntary. b. Cardiac muscle fibers are shorter and m...
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