Question
What are the various types of muscular tissues?
Smooth Muscle: These muscle cells do not have striations or stripes. Hence they are called smooth muscle cells. They are also called involuntary muscles. The cells have a single nucleus and the cells are spindle-shaped.
Skeletal Muscle: The skeletal muscles have stripes or striations. Hence they are also called the striated muscles. These skeletal muscles are the most common and widely distributed muscle tissue in the body.
Cardiac Muscle: This is a muscle that is found only in the heart. The rhythmic contractions of this muscle help in the pumping of blood through the blood vessels to various parts of the body. The brain controls this muscle and is an involuntary muscle. The cells of this muscle tissue are branched and cylindrical with a single nucleus and striations present.
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If the work done by a force in moving an object through a distance of 20cm is 24.2J, what is the magnitude of the force?
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