Reviewing Your Knowledge EXERc 12 A. Skeletal Muscle Structure the following mes
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Reviewing Your Knowledge EXERc 12 A. Skeletal Muscle Structure the following mestled, cylindrical stractures in order from largest (1) to smallest (3). myofibei -fascicle -filaments _ muscle fiber muscle B. Skeletal Muscle Structural Terms ldentify the structure that matches the drsemption I1. Connective tissue covering surrounding a fascicle 2. Finger-like invaginations of plasma membrame; extend into interior of fiber and surroumd myofibrils 3- Plasma membrane of skeletal muscle fiber Conmective tissue covering surrounding the muscle s. Smallest contractile within individual muscle fibers Stores calcium within-inde, fiter 7. Connective tissue covering surrounding individual muscle fibers 8. Two terminal cisternac and a T tubule 9. Rod-like structures within skeletal muscle fiber that coetain thin and thick filaments organized into sarcomeres 14th Edition WILExplanation / Answer
A.skeletal muscles are a type of muscle that bring about the movement of the skeletal system.these muscle may perform voluntary action when they are under control and can bring about the movement when required or they they are said to be involuntary when they are not under control .
These muscles are made up hundreds and thousands of the skeletal cells which are organized in the following manner
1.Myofilament.
2.Sarcomere.
3.myofibril.
4.Muscle fiber.
5.Fasicle.
6. Muscle.
B .1. Perimysium is the dense connective tissue covering that surrounds a fascicle . It gives the meat the characteristic cut grain.
2.T - tubules are the finger like projections or the invaginations of the plasma membrane that extend into the interior of the fibrils and surround the fibril.
3. Sarcolemma is the plasma membrane that surrounds the skeletal muscle fiber.
4.Epimysium is the connective tissue covering the muscle.
5.Sarcomere is the smallest contractile unit within the individual muscle fiber.
6.sarcoplasmic reticulum stores the calcium within each muscle fiber.
7.Endomysium is the connective tissue surrounding the individual muscle fiber.
8. Triad is the term used to describe the organization of Two terminal cisternae and a T Tubule
9.Myofibrils are the rod like structures within skeletal muscle fiber that contain thin and thick filaments that are organized into sarcomeres
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