CAMPBELL BIO&VALPK A/C MAST PKG
9th Edition
ISBN: 9780134784434
Author: TAYLOR & SIMON
Publisher: PEARSON
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Textbook Question
Chapter 20, Problem 8TYK
The diaphragm is a large sheet of muscle that helps move air in and out of your lungs. Breathing is automatically controlled by the brain, but you can choose to hold your breath or breath deeper. What kind of muscle do you suppose makes up the diaphragm? (Explain your answer.)
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Chapter 20 Solutions
CAMPBELL BIO&VALPK A/C MAST PKG
Ch. 20 - Connecting the Concepts 1. There are several key...Ch. 20 - True or false? Each cell in the human body is...Ch. 20 - Prob. 3TYKCh. 20 - Negative-feedback mechanisms are a. most often...Ch. 20 - Briefly explain how the structure of each of these...Ch. 20 - Describe ways in which the bodies of complex...Ch. 20 - Which of the following best illustrates...Ch. 20 - The diaphragm is a large sheet of muscle that...Ch. 20 - Prob. 9TYKCh. 20 - Prob. 10TYK
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- You are training athletes for the 100-meter dash. They need muscles specialized for speed and strength, not endurance. What muscle characteristics would your training regimen aim to develop? How would you alter it to train a long-distance swimmer?arrow_forwardTrue or false: the diaphragm is a large muscle that sits on top of the lungs?arrow_forwardFollowing an injury to a nerve, the muscle it supplies with motor nerve fibers may become paralyzed. How would you explain to a patient the importance of moving the disabled muscles passively or contracting them using electrical stimulation?arrow_forward
- What do you mean by skeletal muscles?arrow_forwardA researcher is investigating the composition of muscle tissue in thegastrocnemius muscles (in the calf of the leg) of athletes. She takesa needle biopsy from the muscle and determines the concentration(or enzyme activity) of several substances. Describe the major differences this researcher sees when comparing the muscles of athletes whoperform in the following events: 100-meter dash, weight lifting, and10,000-meter runarrow_forwardWhat do you mean by voluntary muscles?arrow_forward
- a. Three kinds of muscle cells- cardiac, smooth and skeletal- differences between their anatomy? Remember that skeletal muscle fibers are a fusion of many cells b. Why are “muscles” like biceps and pecs called “organs”?arrow_forwardIn a muscle, muscle fibers are arranged in bundles that are wrapped in a thick layer of connective tissue. This thick layer of connective tissue which wraps the bundles is called .... O perimysium O epimysium O endomysium O fasciaarrow_forwardHow many muscles do we use to lift a cup? I just chose a random subject, the real subject is general science.arrow_forward
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