Answer these 2 questions please. 10. Certain molecules in the muscular system must bemaintained in a homeostatic range for the musclesto operate properly. What symptoms mightindicate that these molecules are outside of thenormal range? Que1. Put the following terms in the correct order as theapply to a negative feedback mechanism: effector,stimulus, sensor, response, integrator. Give anmple of each. K/U

Muscular system maintains homeostasis by movement, support and heat production. There are certain…

Answered: 10. Certain molecules in the muscular…

Fundamentals of Sectional Anatomy: An Imaging Approach

2nd Edition

ISBN:9781133960867

Author:Denise L. Lazo

Publisher:Denise L. Lazo

Chapter4: Neck

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Which arrangement best describes a bipennate muscle? The muscle fibers feed in on an angle to a long tendon from both sides. The muscle fibers feed in on an angle to a long tendon horn all directions. The muscle fibers feed in on an angle to a long tendon horn one side. The muscle fibers on one side of a tendon feed into it at a certain angle and muscle fibers on the other side of the tendon feed into it at the opposite angle.
Watch this video (http://openstaxcollege.org/l/micromacro) to learn more about macro- and microstructures of skeletal muscles. (a) What are the names of the junction points between sarcomeres? (b) What are the names of the subunits within the myofibrils that run the length of skeletal muscle fibers? (c) What is the â€œdouble strand of pearlsâ€� described in the video? (d) What gives a skeletal muscle fiber its striated appearance?
Every skeletal muscle fiber is supplied by a motor neuron at the NMJ. Watch this video (http://openstaxcollege.org/l/skelmuscfiber) to learn more about what happens at the neuromuscular junction. (a) What is the definition of a motor unit? (b) What is the structural and functional difference between a large motor unit and a small motor unit? Can you give an example of each? (c) Why is the neurotransmitter acetylcholine degraded after binding to its receptor?
The location of a muscles insertion and origin can determine ________. action the force of contraction muscle name the load a muscle can carry
Smooth muscles differ from skeletal and cardiac muscles in that they ________. lack myofibrils are under voluntary control lack myosin lack actin
After death, calcium pumps no longer function and the calcium ion concentration of muscle fiber cytoplasm increases. The result is rigor mortis a state or postmortem muscle contraction. Explain why this contraction occurs and why it ends only when myosin heads begin to break down.
What is the function of the sarcoplasmic reticulum in muscle cell contraction?
Which of the following terms would be used in the name of a muscle that moves the leg away from the body? flexor adductor extensor abductor
Which is moved the least during muscle contraction? the origin the insertion the ligaments the joints
The correct order for the smallest to the largest unit of organization in muscle tissue is ________. fascicle, filament, muscle fiber, myofibril filament, myofibril, muscle fiber, fascicle muscle fiber, fascicle, filament, myofibril myofibril, muscle fiber, filament, fascicle
22. There are three types of muscle fibers, which differ in terms of how fast they contract and how they get ATP. For each statement below, write the fiber type that matches the description: Look white: A2su ovibennoo senab ni baqqstw a16 er 2lonud o Contract slowly: Copin 2:boold qmug of viivon vsd senboo • ATP supplied by aerobic respiration: abiovom C viivi and Low resistance to fatigue: d vo Would be well developed in an Olympic sprinter: lo abol
5. Identify the structures in this diagram of a muscle fiber Describe the function of each structure. 8) 4 9) Modifed by C Seiwert from original by Shaleta madepn Original uploadr was.ermyempat enwkipediaruti werk Abduramanii2 tulk) - Skeital muscda.ont. Pubfic Damain httn/commans.wikimedortwhdechaPeurid-10M Number Name Function 1 3. 4 6. 7 8 00 000 00 2.

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10. Certain molecules in the muscular system must be maintained in a homeostatic range for the muscles to operate properly. What symptoms might indicate that these molecules are outside of the normal range?