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Any three differences between smooth, cardiac and skeletal muscles (key points).

Dear student,
Please find below the answer:

Key differences between smooth, cardiac and skeletal muscles:

Skeletal muscles Smooth muscles Cardiac muscles
Cells are striated, cylindrical, unbranched and multinucleated. Cells are unstriated, spindle-shaped, uninucleate. Cells are striated, branched, cylindrical and uninucleate.
Occurs in the skeleton. Occurs in walls of internal organs. Occurs in the heart walls.
Voluntary in nature. Involuntary in nature. Involuntary in nature.

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Dear student,
 

Cardiac muscles.

Cardiac muscles are found in the heart which is self-stimulating, has an intermediate speed of contraction and energy requirement, and is responsible for performing muscular involuntary movements.

Smooth muscles.

Smooth muscles are found on the cell walls of internal organs which is self-stimulating, has a low speed of contraction and energy requirement, and is responsible for performing involuntary muscular movements.

Skeletal muscles.

Skeletal muscles are attached to bones all over the body which does not self-stimulate, has a high speed of contraction and energy requirement, and is responsible for performing voluntary muscular movements.

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Dear Pushplata, can you also provide me with a few examples? I need it for an assignment
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Fexamples as in where they're found
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Dear Student,

Difference between Cardiac muscle and Skeletal Muscle.
 
Cardiac Muscle Skeletal Muscle
Found
In heart only Attached to bones of the entire body
Length
Shorter Longer
Controlled by
Autonomic nervous system Somatic nervous system
Shape
Semi-spindle Cylindrical
Function
Pumping blood Movement of the body
Gap junctions
Present Absent
Cell type
Uninucleated Multinucleated
Endomysium
Dense Less Dense
Speed of contraction
Less Fast
Contracts
Without neural stimulation With neural stimulation
 


Regards,
Daivik Lakshmipathy.
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