Which descriptions are true regarding different muscle types? Select four options.Cardiac and skeletal muscles are striated.Skeletal and smooth muscles are nonstriated.Smooth and cardiac muscles are voluntary.Heart and digestive muscles are involuntary muscles.Smooth and skeletal muscles are involved in movement.Cardiac muscles work to pump blood.

Cardiac and skeletal muscles are striated, so A is true. Heart muscle and the smooth muscle in digestive organs work involuntarily, making D true. Skeletal muscles move the body, while smooth muscles move substances through organs, so E is true. Cardiac muscle contracts to pump blood, making F true; B and C are false because skeletal muscle is striated and smooth and cardiac muscles are involuntary.

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