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Desabillemaybelle201go
Answered

4. What are smooth cardiac muscles?
O They work in the same way as voluntary muscles
O They are voluntary muscles that work under the control of our brain.
O They are involuntary muscles located on the walls of the heart.
O They are partially voluntary and partially involuntary muscles.​

Sagot :

Princesssombreyogo

Answer:

They are involuntary muscles located on the walls of the heart.

I hope this would help.

Answer:

They are involuntary muscles located on the walls of the heart.

Explanation:

Smooth muscle fibers are located in walls of hollow visceral organs (such as the liver, pancreas, and intestines), except the heart, appear spindle-shaped, and are also under involuntary control.

Source:

https://medlineplus.gov

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