Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Chapter 10, Problem 4RQ
Summary Introduction
To review:
The area of the sarcomere that narrows upon muscle contraction.
Introduction:
The human skeleton system is supported by the muscles along with the bones. The skeletal muscles are present throughout the skeleton system. These muscles are one of the major types of muscles among the three types and the other two are smooth muscles and cardiac muscles.
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Write yes or no in each blank below to indicate whether each of the following narrows when a skeletal muscle fiber contracts.__(1) H band__(2) A band__(3) I band__(4) M line
Which fiber is included in the sarcomeres, ie the contractile units found in muscle fibers? ___________________Which motoprotein is also there? ___________________ Which fiber is included in the contractile ring that divides the cell into two daughter cells? ___________________ What motoprotein is also there? ___________________ What fiber is included in the mitotic spider that "pulls" the chromosomes to the two daughter cells? ____________________ Which fiber is included in a sperm's tail and which together with a motor protein makes the tail move? ___________________ Which motor protein is also there? ___________________ Which fiber provides support to cells in our skin and if it is mutated can make the skin very sensitive to pressure and touch? ___________________
Number the following nestled, cylindrical structures in order from largest (1) to smallest (5). ____ myofibril ____ muscle fiber ____ fascicle ____ muscle ____ filaments
Chapter 10 Solutions
Human Anatomy
Ch. 10 - What structural similarities are shared by all...Ch. 10 - Prob. 2CYUCh. 10 - Prob. 3CYUCh. 10 - What are the functional definitions of the origin...Ch. 10 - Place the following structures in order from...Ch. 10 - Which myofilaments are found only in the A band?Ch. 10 - Prob. 7CYUCh. 10 - Prob. 8CYUCh. 10 - Prob. 9CYUCh. 10 - Prob. 10CYU
Ch. 10 - Prob. 11CYUCh. 10 - Prob. 12CYUCh. 10 - Prob. 13CYUCh. 10 - Prob. 14CYUCh. 10 - The connective tissue that lies just outside the...Ch. 10 - Prob. 2RQCh. 10 - Prob. 3RQCh. 10 - Prob. 4RQCh. 10 - Prob. 5RQCh. 10 - Prob. 6RQCh. 10 - Prob. 7RQCh. 10 - Prob. 8RQCh. 10 - Prob. 9RQCh. 10 - Prob. 10RQCh. 10 - Prob. 11RQCh. 10 - Prob. 12RQCh. 10 - Define motor unit.Ch. 10 - List the structural differences between the three...Ch. 10 - Cindy Wong was a good anatomy student, but she...Ch. 10 - Prob. 16RQCh. 10 - Prob. 17RQCh. 10 - Where is titin located, and what are its...Ch. 10 - What is the general distribution of skeletal...Ch. 10 - Prob. 1CRCAQCh. 10 - Prob. 2CRCAQCh. 10 - Chickens are capable of only brief bursts of...Ch. 10 - Takashi, an osteopathic physician, saw that Mrs....Ch. 10 - Why are muscle infections relatively rare...Ch. 10 - As a sprinter, Lateesha knew that the best way to...Ch. 10 - Prob. 7CRCAQCh. 10 - Prob. 8CRCAQCh. 10 - Prob. 9CRCAQ
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- a muscle cell structural element that consist primarily of an actin filament is a/an______arrow_forwardThis is an image of a portion of bone. Identify "3" osteon 2 central canal lamella canaliculi trabecula 3 L5 4arrow_forwardDescribe the three steps (in detail) and the regions where these steps occur required for a skeletal muscle contraction to occur. Diagram(s) is (are) encouraged.arrow_forward
- Identification: A muscle cell structural element that is composed of several hundred myosin molecule is a/an ________ A muscle cell structural element that consists primarily of an actin filament is a/an ______arrow_forwardLabel the structure of the muscle fiberarrow_forwardThe total tension a muscle can develop depends upon two factors. What are they?arrow_forward
- Skeletal muscle cell(key terms: striated, contracting proteins, contractions, nucleus location) The function (or job) of a muscle cell is:arrow_forwardA motor unit from a skeletal muscle contains 1500 muscle fibers. Would this muscle be involved in fine, delicate movements or in powerful, gross movements? Explain.arrow_forwardAs skeletal muscle contracts, one or more bands of the sarcomere become narrower and disappear, and one or more of them emain the same width. Which bands will change—A, H, or I—and why?arrow_forward
- List the structural differences between the three distinct types of skeletal muscle fibers.arrow_forwardList the Histological (structural and shape) differences between skeletal, smooth and cardiac muscle. Remember, the cells are "designed" and "developed" in a manner that mandated that their "shape absolutely "fit" their function.arrow_forwardcorrectly label the following parts of a skeletal muscle fiberarrow_forward
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