Question

lo 4.5. which type of muscle is responsible for involuntary movement?
fast - twitch
striated
smooth
cardiac
skeletal

Explanation:

Smooth and cardiac muscles are involuntary. Smooth muscle is found in organs like the digestive tract and blood - vessel walls. Cardiac muscle is in the heart. Fast - twitch, striated, and skeletal muscles are involved in voluntary movement.

Answer:

C. Smooth, D. Cardiac