IMPORATANT POINTS

• Muscle fibres are spindle shaped or fusiform.
• Smooth muscles are unbranched.
• Striations are absent and hence they are called Smooth muscles.
• Smooth muscles are involuntary.
• Muscle contractions are slow.
• These muscles do not develop fatigue.
• Location: Present in visceral organs like gut, blood vessels and urinary bladder.

#class 11 biology, #movement and locomotion, #muscles #Animal tissues