This tissue provide shape and size of organs and provide motion in body. It is of three types-
• Striated
• Unstriated
• Cardiac
Stiriated Muscles- These are voluntary muscles having light and dark striations. The cells are long, cylindrical and are multinucleated. They are also called skeletal muscles because they are attached to bones. They help in voluntary movements of the body. These muscles feel tiredness.
Unstriated Muscles- These are involuntary muscles without striations. The cells are long and spindle shaped and are uni-nucleated. They are present in alimentary canal, blood vessels, bronchi of lungs, iris of eye etc. They help in involuntary movements.These muscles do not feel tiredness.
Cardiac Muscles- These are involuntary muscles having faint striations. The cells are long, cylindrical, branched and multinucleated. They are present in the heart and helps in the contraction and relaxation of the heart. These muscles work through out life of individual.
