Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 6, Problem 6AWK
Summary Introduction
To review:
The function of the shivering in body temperature maintenance.
Given:
An individual is outside on a cool fall day and feels cold; however, he or she thinks little of it until they notice that they shivering.
Introduction
Muscles are the tissues in the body that are fibrous in nature. They are made up of muscle cells that have myofibrils that are key for the contraction. There are three types of muscles: skeletal, smooth, and cardiac muscles. The major function of muscles is to contract resulting in the production of movement. But apart from that muscles also participate in the generation of heat.
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Chapter 6 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 6 -
1. Do you think we should continue to try to...Ch. 6 - Prob. 2QCCh. 6 - Describe how muscle contraction can resist...Ch. 6 - Describe how a muscle's origin and insertion...Ch. 6 - Describe the roles of calcium in muscle...Ch. 6 -
4. Explain what causes rigor mortis.
Ch. 6 - Prob. 5CRCh. 6 - Prob. 6CRCh. 6 - Prob. 7CRCh. 6 -
8. Compare and contrast how a constant degree of...
Ch. 6 - Prob. 9CRCh. 6 - Prob. 10CRCh. 6 - Prob. 1TYCh. 6 -
2. Which of the following choices arranges the...Ch. 6 - All of the following are functions of the muscular...Ch. 6 -
4. Which of the following happens during muscle...Ch. 6 -
5. Botulism toxin inhibits the release of...Ch. 6 - The sliding filament mechanism describes the...Ch. 6 -
7. What is the first and most direct energy...Ch. 6 - As you clasp your hands in front of you and push...Ch. 6 -
9. All of the following may happen in response to...Ch. 6 - Which of the following is/are characteristic of...Ch. 6 - Which of the following is the site of calcium ion...Ch. 6 - What is the role of ATP in muscle function? a. ATP...Ch. 6 -
13. Which of the following would have motor units...Ch. 6 - Which type(s) of muscle cells can contract the...Ch. 6 - Prob. 15TYCh. 6 - Prob. 1AWKCh. 6 - Why do you think it is generally accepted medical...Ch. 6 - Prob. 3AWKCh. 6 - What would happen to a muscle if one of its...Ch. 6 - Prob. 5AWKCh. 6 - Prob. 6AWKCh. 6 - Prob. 7AWKCh. 6 - Prob. 8AWK
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- Golgi tendon organs are most sensitive to muscle tension. absolute joint position. muscle contraction frequency. muscle fatigue.arrow_forwardYou find yourself running away from a pack of zombies in the snow. These zombies aren't very fast but persistent. It looks like you'll need to run for a few miles to get rid of them. What type of muscle fibers will you primarily use to run away? What energy sources in your muscles will you use? Why?arrow_forwardMuscle tone keeps muscles healthy. What is muscle tone and what causes it? What happens to a muscle that loses its tone?arrow_forward
- API Ralph sustained a leg injury in a bowling accident and had to use crutches. Unfortunately, he never took the time to learn how to use the crutches properly. After 2 weeks he noticed his fingers were becomming numb. Then he noticed his arms were getting weaker and tingling as well. What would be Ralph's problem and why?arrow_forwardJames a young athlete who has won awards for winning cycling competition was jogging on beach when he met a muscular young man, George with impressive 6-packs and firm biceps and other muscles. George, sort of unimpressed by James’ physique challenged him. They decide to run to a spot about a mile away. After about a half mile George tires and gives up. Explain why James was able to outrun George despite obviously being less muscular.arrow_forward________and______ muscles are striped because they have a regular alignment of sarcomeres.______and_______ muscles are usually not under conscious control._______ And________ muscles are interconnected by gap junctions.arrow_forward
- Characteristics of smooth muscles fibers are: spindle shaped, unbranched, unstriated, uninucleate and involuntary spindle shaped, unbranched, multistriated, uninucleate and involuntary cylinderical, unbranched, unstriated, uninucleate and involuntary Cylindrical, unbranched, striated, multinucleate and involuntary Fat cells are characterized by: affected by starvation present in adults they are heat insulator they have signet ring appearance abundant mitochondriaarrow_forwardMatch the muscle type to its main characteristics Smooth muscle Cardiac muscle Skeletal muscle Previous Responsible for involuntary movements; does not contain sarcomeres (is unstriated). Responsible for voluntary movements; contains sarcomeres (is striated). Responsible for involuntary movements; contains sarcomeres (is striated). TVALarrow_forwardWhich of the following statements are true? Multiple Choice Muscles work in antagonistic pairs because if one muscle shortens during contraction, the opposing muscle across the joint must relax. Muscles work in antagonistic pairs because tendons lengthen during contraction. Muscles work in antagonistic pairs because muscles lengthen during contraction. Muscles work in antagonistic pairs because if one muscle pushes during contraction, the opposing muscle across the joint must pull.arrow_forward
- Why do you think a person is able to perform anaerobic exercise (such as lifting and holding a heavy weight) only briefly but can sustain aerobic exercise (such as walking or swimming) for long periods? (Hint: Muscles have limited energy stores.)arrow_forwardDepolarization of the sarcolemma means ________. the inside of the membrane has become Less negative as sodium ions accumulate the outside of the membrane has become less negative as sodium ions accumulate the inside of the membrane has become more negative as sodium ions accumulate the sarcolemma has completely lost any electrical chargearrow_forwardIn a general sense, how do skeletal muscles produce movement?arrow_forward
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