Question

which type of muscle is found in the digestive system?
○ big
○ smooth
○ cardiac
○ skeletal

Explanation:

Smooth muscle lines the digestive tract and aids in involuntary movement like peristalsis. Cardiac muscle is in the heart, skeletal muscle is attached to bones for voluntary movement, and "big" is not a type of muscle in the context of muscle - tissue classification.

Answer:

B. smooth