Answer:
involuntary muscle
Explanation:
Involuntary muscles are those that cannot be controlled by will or consciousness and are frequently associated with organs that contract and relax slowly and regularly. Because there are no striations when viewed under a microscope, involuntary muscles are also known as smooth muscles or non-striated muscles.
B. malignant is the correct answer
Answer:
Number 4
Explanation:
4. It conveys the right branch of the atriventricular bundle.
This part of the heart is found in the right ventricle and it is important because it carries part of the right bundle branch of the atriventricular bundle of the conduction system of the heart to the anterior papillary muscle and it is also used by radiologists etc to easily identify the right ventricle.