waltrichardson06
Answered

1. The correct order for the smallest to the largest unit of organization in muscle tissue is
A. fascicle, filament, muscle fiber, myofibril
B. filament, myofibril, muscle fiber, fascicle
C. muscle fiber, fascicle, filament, myofibril
D. myofibril, muscle fiber, filament, fascicle

Answer :

The answer I thunk is B
luisvaschetto

1. The correct order for the smallest to the largest unit of organization in muscle tissue is B. filament, myofibril, muscle fiber, fascicle.

  • Muscle is a type of tissue that contains specialized cells capable of contracting in order to generate movement.

  • The sarcomeres are the functional and structural units of muscle cells. A sarcomere is composed of actin and myosin protein filaments.

  • A myofibril consists of many repeated sarcomeres running along its length.

  • The muscle fibers consist of many myofibrils which are packaged into ordered units.

  • Finally, a  fascicle consists of a bundle of many microscopic muscle fibers.

In conclusion, muscle tissue is organized from the smallest to the largest unit in the following levels: filament > myofibril > muscle fiber > fascicle.

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