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Smooth muscles are involved in which of the following activities?

A. playing a piano

B. pumping blood

C. digesting food

D. walking

Respuesta :

lilxiong
C.Digesting food

Smooth muscles are muscles used by organs and are used involuntarily. The cardiac muscle is close, however it is the muscle on the heart used to pump blood. 
Smooth muscles are involved in which of the following activities?


 C. digesting food

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