Edumarz

Name the tissue responsible for movement of our body.

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-Aqsa, Subject Matter Expert at Edumarz.


Solution: Muscular tissue is responsible for movement in our body. Muscular tissue develops from embryonic mesoderm. The intercellular substance is almost absent because the adjacent muscle fibers are held together by connective tissue. It helps in providing support to muscle fibers and their capillaries to transport O2 and nutrients into them. The cytoplasm of muscle fibers is called sarcoplasm. The endoplasmic reticulum in muscle fibers is called the sarcoplasmic reticulum. There are long, parallel protein threads that remain arranged along the long axis in muscle fiber, called myofibrils. A large number of mitochondria called sarcosomes and glycogen granules are present between myofibrils and they provide energy for contraction by oxidation of glucose or glycogen. The plasma membrane of muscle fibers is sarcolemma which remains surrounded by a basal lamina.

Some of the important functions of muscle fibers include – 

  • locomotion of the organism and movement in its body parts are brought about by muscular tissue.

  • the muscles are involved in copulation, childbirth, and feeding young ones.

  • different gestures and facial expressions are controlled by muscles.

  • It helps in maintaining body postures.

  • It is responsible for the heartbeat, flow of blood, passage of air through the respiratory tract, swallowing of food, and its further movement through the alimentary canal, etc.


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