question_answer 8)

Differentiate between striated, unstriated and cardiac muscles on the basis of their structure and site/location in the body.

Answer:

The differences between striated, unstriated and cardiac muscles are given below: Table: Differences between striated, unstriated and cardiac muscles.  

	Striated muscles	Unstriated muscles	Cardiac muscles
1.	Each muscle is long, cylindrical, non-tapering and multi-nucleate.	Each muscle fibre is long, flattened, spindle shaped, tapering and uninucleate.	The fibres have centrally located one or two nuclei and transverse striations with light and dark bands. They are branched.
2.	Shows striations	Does not show striations.	Shows transverse striations.
3.	Occur in the limbs, body wall and neck.	Occur in the walls of all tubular organs such as the stomach, intestines, blood vessels, breathing passages and the urino-genital ducts.	Occur only in the walls of the heart.