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Ch. 9 Muscles and Muscle Tissue

Chapter 8, Problem 2

A fascicle is a a. muscle, b. bundle of muscle fibers enclosed by a connective tissue sheath, c. bundle of myofibrils, d. group of myofilaments.

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Hey, everyone. Let's take a look at this question together which of the following statements about the number of fales is true. Is it answer choice? A, the number of fales in muscle tissues is the same answer. Choice. B an increased number of fales can be detrimental to one's health. Answer choice C the number of fales remains constant from birth to adulthood or answer choice D exercise or training can increase the number of fales. Let's work this problem out together to try to figure out which of the following statements about the number of fales is true. So in order to determine which of the following statements is true, we have to recall what we know about how the number of fales affects us. So let's recall some important information that we have learned about cycles. Well, we note that fales are a bundle of muscle fibers that are enclosed by a connective tissue sheath. And when it comes to the number of fales, we note that the number in muscle tissues varies and it varies based on the muscles function size or even the location. And an increased number can be due to different causes. Such as genetics, exercise or training or various medical conditions and having that increased number may or may not have any impact on muscle function. In some instances, it could lead to decreased muscle strength, endurance or coordination or it could have no significant impact. So now that we've recalled what we know about fales and the number of fast, we can determine which of the following statements is true. Well, we know that answer choice A is incorrect since the number of fast in muscle tissues is not the same and the number in muscle tissues varies based on the muscles function size and location in the body. And we know that answer choice B is also incorrect since an increased number of fales is not necessarily detrimental to one's health since it may not have any significant impact. And lastly, we note that answer choice C is incorrect since the number of fales does not remain constant from birth to adulthood, leaving us with the only remaining answer choice, which is answer choice D exercise or training can increase the number of fast, which is a true statement. So it is the correct answer. Since we note that an increased number of fales can be due to the exercise or training and answer choices A B and C are all false statements. I hope you found this video to be helpful. Thank you and goodbye.
Related Practice
Textbook Question
Use the key to classify each of the following described tissue types into one of the four major tissue categories. Key: connective tissue epithelium muscle nervous tissue  _________    (1) Tissue type composed largely of nonliving extracellular matrix; important in protection and support  _________    (2) The tissue immediately responsible for body movement  _________    (3) The tissue that enables us to be aware of the external environment and to react to it  _________    (4) The tissue that lines body cavities and covers surfaces
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Textbook Question
The connective tissue covering that encloses the sarcolemma of an individual muscle fiber is called the a. epimysium, b. perimysium, c. endomysium, d. periosteum.
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Textbook Question
Thick and thin myofilaments have different compositions. For each descriptive phrase, indicate whether the filament is, a. thick or b. thin.  _____ (1) contains actin  _____ (2) contains ATPases  _____ (3) attaches to the Z disc  _____ (4) contains myosin  _____ (5) contains troponin  _____ (6) does not lie in the I band
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Textbook Question
The function of the T tubules in muscle contraction is to a. make and store glycogen, b. release Ca²⁺ into the cell interior and then pick it up again, c. transmit the action potential deep into the muscle cells, d. form proteins.
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Textbook Question
The sites where the motor nerve impulse is transmitted from the nerve endings to the skeletal muscle cell membranes are the a. neuromuscular junctions, b. sarcomeres, c. myofilaments, d. Z discs.
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