Muscular System Quiz

How many muscles are there in the muscular system?

• Over 650

• Around 200

• Exactly 1000

• Less than 100

Which type of muscle is found only in the heart?

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• None of the above

What is the function of smooth muscle?

• To attach to bones via tendons

• To generate force and motion

• To line the blood vessels and certain organs

• To control voluntary movements

Which type of muscle contraction creates a stabilizing force?

• Shortening muscle fibers

• Lengthening muscle fibers

• Muscle fibers don't change in length

• None of the above

What percentage of the body's weight do skeletal muscles make up?

• Less than 10%

• Around 20%

• Approximately 30-40%

• Over 50%

Which type of muscle fibers react instantly when triggered?

• Slow-twitch fibers

• Fast-twitch fibers

• Both slow-twitch and fast-twitch fibers

• Neither slow-twitch nor fast-twitch fibers

Which type of muscle is managed by the autonomic nervous system?

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• All of the above

What is the main function of the cardiac muscle?

• To attach to bones via tendons

• To generate force and motion

• To line the blood vessels and certain organs

• To pump blood and oxygen throughout the body

What is the main byproduct produced by muscles?

• Heat

• Oxygen

• Carbon dioxide

• Water