Muscular System

What are the three main types of muscles in the body?

• Skeletal, Cardiac, and Smooth

• Skeletal, Cardiac, and Rough

• Rough, Smooth, and Skeletal

• Smooth, Rough, and Cardiac

How do muscles help us pick up a book?

• By only lengthening fibers

• By shortening and lengthening fibers

• By only shortening fibers

• By not changing fiber length

Which type of muscle is under voluntary control?

• Cardiac muscle

• Smooth muscle

• All of the above

• Skeletal muscle

What system controls the heart's beating?

• Peripheral nervous system

• Central nervous system

• Somatic nervous system

• Autonomic nervous system

What byproduct do muscles produce that helps maintain body temperature?

• Heat

• Cold

• Light

• Sound