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Which of these is not a characteristic of cardiac muscles?
- a)They work continuously
- b)They are not striated
- c)They are branched
- d)They are involuntary
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of these is not a characteristic of cardiac muscles?a)They work ...
- Cardiac muscles are the muscles of the heart.
- Cardiac muscles are involuntary muscles that work continuously to pump blood throughout the body.
- They are branched and are striated in appearance.
Line in NCERT: "Based on appearance, cardiac muscles are striated."
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Which of these is not a characteristic of cardiac muscles?a)They work ...
Characteristics of Cardiac Muscles
Cardiac muscles have distinct properties that differentiate them from other muscle types, such as skeletal and smooth muscles. Let's explore these characteristics:
Continuous Functionality
- Cardiac muscles work continuously throughout a person's life without fatigue.
- They are responsible for pumping blood and require a steady, rhythmic contraction.
Striated Structure
- Contrary to option B, cardiac muscles are actually striated.
- This striation is due to the organized arrangement of actin and myosin filaments, similar to skeletal muscle.
Branching Fibers
- Cardiac muscle cells are branched, allowing for a network of interconnected cells.
- This branching facilitates coordinated contractions, ensuring efficient blood flow.
Involuntary Control
- Cardiac muscles operate involuntarily, meaning they are not under conscious control.
- The autonomic nervous system regulates their activity, allowing them to adjust to the body's needs.
In summary, the correct answer is option B, as cardiac muscles are indeed striated, distinguishing them from smooth muscles, which are not striated. Understanding these characteristics is crucial for NEET aspirants, as they form the foundation for more complex concepts related to human physiology.
Cardiac muscles have distinct properties that differentiate them from other muscle types, such as skeletal and smooth muscles. Let's explore these characteristics:
Continuous Functionality
- Cardiac muscles work continuously throughout a person's life without fatigue.
- They are responsible for pumping blood and require a steady, rhythmic contraction.
Striated Structure
- Contrary to option B, cardiac muscles are actually striated.
- This striation is due to the organized arrangement of actin and myosin filaments, similar to skeletal muscle.
Branching Fibers
- Cardiac muscle cells are branched, allowing for a network of interconnected cells.
- This branching facilitates coordinated contractions, ensuring efficient blood flow.
Involuntary Control
- Cardiac muscles operate involuntarily, meaning they are not under conscious control.
- The autonomic nervous system regulates their activity, allowing them to adjust to the body's needs.
In summary, the correct answer is option B, as cardiac muscles are indeed striated, distinguishing them from smooth muscles, which are not striated. Understanding these characteristics is crucial for NEET aspirants, as they form the foundation for more complex concepts related to human physiology.
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Which of these is not a characteristic of cardiac muscles?a)They work continuouslyb)They are not striatedc)They are branchedd)They are involuntaryCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of these is not a characteristic of cardiac muscles?a)They work continuouslyb)They are not striatedc)They are branchedd)They are involuntaryCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of these is not a characteristic of cardiac muscles?a)They work continuouslyb)They are not striatedc)They are branchedd)They are involuntaryCorrect answer is option 'B'. Can you explain this answer?.
Which of these is not a characteristic of cardiac muscles?a)They work continuouslyb)They are not striatedc)They are branchedd)They are involuntaryCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of these is not a characteristic of cardiac muscles?a)They work continuouslyb)They are not striatedc)They are branchedd)They are involuntaryCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of these is not a characteristic of cardiac muscles?a)They work continuouslyb)They are not striatedc)They are branchedd)They are involuntaryCorrect answer is option 'B'. Can you explain this answer?.
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