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  3. Biology
  4. Which of the following properties of cardiac muscles are correct? I. These are the muscles of the heart. II. These are non-striated. III. These are involuntary in their functions. IV. These are controlled by nervous system directly. Select the correct option.

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Q. Which of the following properties of cardiac muscles are correct?
I. These are the muscles of the heart.
II. These are non-striated.
III. These are involuntary in their functions.
IV. These are controlled by nervous system directly.
Select the correct option.

Locomotion and Movement

Solution:

Statements I and III are correct regarding the properties of cardiac muscles. Statements II and IV are incorrect and can be corrected as
- Many cardiac muscle cells assemble in a branching pattern to form a cardiac muscle. Based on appearance, these are striated.
- These are involuntary in nature as the nervous system does not control their activities directly.