11♥ ab x₂ xA A AaA.A.Po• synaptic knob of a somatic motorneuron● sarcolemma• sarcoplasm• sarcoplasmic reticulum.T-tubuleEFE | ALT7. Identify each of the following when given images of skeletal muscle fibers such as the onesbelow. Practice with this online interactive activity.●• ryanodine receptordihydropyridine receptorNeuro muscularjunctionrds English (United States)Neuron|T-tubule●● Cat2 ionsaction potential spreading along thesarcolemmaaction potential spreading along the T-tubule.AaBbCcDdEeNormal.MuscleAaBbCcDdi AaBbCcDd ANo SpacingHeading 1interstitial fluid (ISF) = Extracellular fluid(ECF)Movement of actionpotentialRYR receptorFo

The nerve impulses from the axon terminal of motor neuron goes to the skeleton muscles. The junction…

7. Identify each of the following when given images of skeletal muscle fibers such as the ones below. Practice with this online interactive activity. ● synaptic knob of a somatic motor neuron ● sarcolemma ● sarcoplasm • sarcoplasmic reticulum ● T-tubule ● dihydropyridine receptor ryanodine receptor Neuro muscular junction English (United States) Neuron T-tubule ● ● ● . Muscle Cat2 ions action potential spreading along the sarcolemma action potential spreading along the T- tubule interstitial fluid (ISF) = Extracellular fluid (ECF) Movement of action potential RYR receptor Fo

7. Identify each of the following when given images of skeletal muscle fibers such as the ones below. Practice with this online interactive activity. ● synaptic knob of a somatic motor neuron ● sarcolemma ● sarcoplasm • sarcoplasmic reticulum ● T-tubule ● dihydropyridine receptor ryanodine receptor Neuro muscular junction English (United States) Neuron T-tubule ● ● ● . Muscle Cat2 ions action potential spreading along the sarcolemma action potential spreading along the T- tubule interstitial fluid (ISF) = Extracellular fluid (ECF) Movement of action potential RYR receptor Fo

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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2. We discussed how muscle spindles allow for precision of movement as a muscle lengthens, and particular muscles which require more precise movements will contain more spindles. In addition to this precision control over muscle length, there are other differences between muscles which enable more precision in how much force is generated. Consider the two graphs below which depict force generated by two different muscles as additional motor units are recruited. Force Muscle A Load Force Muscle B Load a) Describe why the first steps for a low force contraction in both muscles are smaller than the later ones in the context of motor units and force production.
38- Which of the following is not a characteristic of the muscle spindles: a- Encapsulated intrafusal muscle b- Sensitive to steady-state length of muscle c- Arranged in series with extrafusal muscle fiber. d- Sensitive to dynamic stretching length of muscle
Complete the following table on muscle characteristics. You may type your answers in a list below numbered by the corresponding box in the table. Cardiac (contractile) Skeletal How many nuclei per cell? 1 2 Is the tissue striated? 4 Describe the shape of the cell. 5 6 Is this muscle regulated by somatic motor neurons? 7 8 Average duration of action potential 10
Discuss the 5 steps involved in voluntary muscle contraction.
3.4. About human skeletal muscle contraction, what are the correct statements? PHYSIOLOGY_basic (OJO) A muscle fiber is made by the parallel apposition of sarcomers. Generation of force relies on the formation of cross-bridges between actin and myosin filaments. In the process of contraction, adenosine triphosphate (ATP) is required both to drive the actin-myosin association-dissociation cycle and to recycle calcium back to the endoplasmic reticulum. Each muscle fiber is innervated by one neuron only. T tubules are plasma membrane invaginations of the sarcolemma that allow excitation-contraction coupling.
9. What are the characteristics of slow twitch oxidative, fast twitch oxidative-glycolytic and fast twitch glycolytic muscle fibers? What activities would be associated with each type of muscle fiber?
Match each description to the correct phase of a muscle twitch 73. Sección Ca2+ transported back into the sarcoplasmic reticulum 74. Sarcomeres shorten 75. Depolarization occurs in the T-Tubule 76. Muscle Tension decreases A. Latent period B. Contraction phase C. Relaxation phase
31
please draw out what is occuring (neuromuscular junction and skeletal muscle fiber)
44.
Discuss the functions of muscle proteins (8 or more) and give an example for each.
What effect does increasing the frequency of action potentials in a skeletal-muscle fiber have upon the force of contraction? comments: please give me answer pricise and relevant to the question thanks