PHYSIOLOGY
SKELETAL MUSCLE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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basic rod-like unit of a muscle cell.
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bundle of skeletal muscle fibers surrounded by perimysium, a type of connective tissue.
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consist of a single muscle cell. They help to control the physical forces within the body.
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None of the above
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Detailed explanation-1: -Muscle fibers consist of a single muscle cell. They help to control the physical forces within the body. When grouped together, they can facilitate organized movement of your limbs and tissues. There are several types of muscle fiber, each with different characteristics.
Detailed explanation-2: -Each skeletal muscle fiber is a single cylindrical muscle cell. An individual skeletal muscle may be made up of hundreds, or even thousands, of muscle fibers bundled together and wrapped in a connective tissue covering. Each muscle is surrounded by a connective tissue sheath called the epimysium.
Detailed explanation-3: -A motor unit consists of the motor neuron and the grouping of muscle fibers innervated by the neuron. The number of muscle fibers within a motor unit varies, and is a function of the muscle’s ability for accurate and refined motion.
Detailed explanation-4: -A single muscle fiber is controlled by a single motor neuron.