Question

Put the following structures in order from superficial to deep. 1. Muscle fiber 2. Perimysium 3. Myofibril 4. Fascicle 5. Endomysium 6. Epimysium

Answer 1

6. Epimysium is a tough layer of connective tissue that anchors muscle tissue to tendons and protects muscles.

2. Perimysium  envelops more muscle (10-100) fibers collectively into bundles-fascicles.

4. Fascicles are multiple bundles found within the epimysium.

5. Endomysium envelops individual muscle cells and it is composed of collafen fibers.

1. Muscle fiber are actually muscle cells (myocytes) that form muscle tissue,

3. Myofibrils are long protein filaments within the muscle cell responsible for contraction. Actin and myosin are myofibrils that slide past one another and thus change the lengh and the shape of muscle cell.

Answer 2

Answer:

6. Epimysium

2. Perimysium

4. Fascicle

5. Endomysium

1. Muscle fiber

3. Myofibril

Explanation:

From the names of the layers mentioned, it can be concluded that these names belong to the striated muscle tissue. If sorted from outside to inside, the sequence is Epimysium, Perimysium, Fascicle, Endomysium, Muscle Fiber, Myofibril.

6. Epimusium is the outermost layer in the structure of muscle organization

2. Perimysium is a layer that encloses a fascicle

4. Fascicle is a network that wraps and binds soft tissue. The function is to surround the muscles, provide additional muscle sites, allow structures to move with each other and provide a place for PD and nerves.

5. Endomysium is a very thin sheath that keeps the deepest muscle fibers separate from each other.

1. Muscle fiber is a term used to describe many collectively, long nucleated muscle cells, or myofibrils, which form skeletal muscle

3. Myofibrils are long filaments that run parallel to one another to form muscle fibers (myo). Miofibril, and produce myofiber, can be several centimeters long. Myofibrils consist of repetitive subunits called sarcomeres. This sarcomere is responsible for muscle contraction.

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Details

Class : Senior High

Subject : Biology

Keywords

- Muscle

- Muscle Tissue