10.2.1: Student Notebook Assignment

Anatomy and Physiology · LibreTexts

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    From LibreTexts, under CC BY 4.0, as the source states it; its equations are written in TeX, which the PDF shows typeset. This page at LibreTexts.

    Read only the part listed below. Take notes and answer questions as described. Each note taking instruction should be done in your own words, in 1-2 sentences or bullet points, or unless otherwise stated.

    10.2 Skeletal Muscle

    • Describe the main functions of skeletal muscle.
    • How does the amount of skeletal muscle affect homeostatic functions in the body?
    • Describe the basic structure of a skeletal muscle. Why is this referred to as a bundle of bundles?
    • Draw a skeletal muscle and label the following:
      • Epimysium
      • Fascicle
      • Perimysium
      • Endomysium
      • Muscle fiber
    • Which type of tissue makes up the epimysium, endomysium, and perimysium
    • Describe the distinctive structural features of skeletal muscle.
    • Define and use the following terms:
      • Sarcolemma
      • Sarcoplasm
      • Sarcomere
    • Describe the function of the sarcoplasmic reticulum.
    • Describe the structure of a sarcomere.
    • What happens to the thick and thin filaments when muscle contracts?
    • Describe the function of the neuromuscular junction.
    • What is excitation-contraction coupling?
    • What happens when an action potential activates a muscle fiber?
    • What would happen to a muscle if you were given a toxin that blocked acetylcholine from binding?
    • Describe what happens during an action potential in a muscle fiber.

    10.2.1: Student Notebook Assignment is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by LibreTexts.