Difference Between Cardiac Muscle And Skeletal Muscle
Last Updated : 06 Mar, 2023
Muscles are the most important features of a human being. They help in a lot of functions that take place in a daily activity of a human being. There are basically three muscles present in the human body such as smooth muscles, cardiac muscles and skeletal muscles. The smooth muscles are present in the blood vessels of the body. The cardiac muscles are present in the heart. The skeletal muscles are found attached throughout the human body. Cardiac muscles are found in the heart and are involuntary muscles. The skeletal muscles are found in the bones and are voluntary muscles. Overall, while both types of muscle tissue have striations and use the same molecular mechanisms to generate force, they differ in their structure, function, control, contraction, fatigue, and regenerative capacity.
Cardiac Muscle
Cardiac Muscles are one of the three types of Muscles found in a living body. These muscles are found only in the heart. They are responsible for pumping blood throughout the body. These muscles are involuntary in nature which means it is not under conscious control. These muscles contract rhythmically and continuously to pump blood. These muscles are made up of branched and striated fibres with a single nucleus. These muscles have limited capacity for regeneration after injury or damage.
Skeletal Muscle
Skeletal Muscles are one of the three types of Muscles found in a living body. These muscles are found attached throughout the human body. These muscles are responsible for movement and maintaining posture. These muscles are voluntary in nature which means it is under conscious control. These muscles contract in response to nerve impulses and can be stimulated to contract or relax. These muscles can become fatigued with prolonged use. These muscles are made up of long, cylindrical, striated fibres with multiple nuclei. These muscles have a higher capacity for regeneration after injury or damage.
Also Read: Muscular Tissue
Differences Between Cardiac muscle and Skeletal muscle
Characterization | Cardiac Muscle | Skeletal Muscle |
Structure | Cardiac muscle is found only in the heart of the body. | Skeletal muscle is found throughout the body. |
Appearance | Cardiac muscle is made up of branched and striated fibres with a single nucleus. | Skeletal muscle is made up of long, cylindrical and striated fibres with multiple nuclei. |
Function | The cardiac muscle is responsible for pumping blood throughout the body. | Skeletal muscle is responsible for movement and maintaining posture. |
Control | The cardiac muscle is an involuntary muscle which means it is not under conscious control. | Skeletal muscle is a voluntary muscle which means it is under conscious control. |
Contraction | Cardiac muscle contracts rhythmically and continuously to pump blood. | Skeletal muscle contracts in response to nerve impulses and can be stimulated to contract or relax. |
Fatigue | Cardiac muscle has a low rate of fatigue due to its continuous and rhythmic contractions. | Skeletal muscles can become fatigued with prolonged use. |
Regeneration | Cardiac muscle has a limited capacity for regeneration after injury or damage. | Skeletal muscle has a higher capacity for regeneration after injury or damage. |
Similarities
There are a few similarities between cardiac muscle and skeletal muscle. Such as both the muscles are striated in nature. The shape of both muscles is cylindrical. Both the muscles are made using actin and myosin filaments so that the actin slides over the myosin during the contraction of the muscles.
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