Question

differences between 3 muscle fibres

Answer 1

Skeletal muscles:

• Are directly attached to the skeleton by tendons.

• Aid in movement and locomotion.

• Are voluntarily activated.

• Appear striped under a microscope.  Also called "striated" muscle.

Smooth Muscles:

• Get their name from their smooth appearance under a microscope.

• Arranged in bundles of muscle fibre sheets.

• Contract involuntarily. Regulated by autonomic part of nervous system.

• Found in walls of hollow structures, including veins, arteries, and intestines.

Cardiac Muscles:

• Found only in heart and at cardiac ends of main blood vessels.

• Contract involuntarily.

• Striated when viewed under a microscope.