Muscular System Quiz

What is the muscular system primarily responsible for?

• Digesting food

• Pumping blood

• Producing movement

• Protecting organs

How many main types of muscles make up the muscular system?

• One

• Two

• Three

• Four

Which type of muscle is found only in the heart?

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• Tendon

What are muscle cells also known as?

• Fibers

• Tissues

• Cells

• Bundles

Which type of contraction keeps muscles rigid and maintains posture?

• Shortening

• Lengthening

• Stabilizing

• Relaxing

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

• 10-20%

• 20-30%

• 30-40%

• 40-50%

Which type of muscle fiber is used for endurance?

• Fast-twitch

• Slow-twitch

• Cardiac

• Smooth

What does the autonomic nervous system control?

• Skeletal muscles

• Cardiac and smooth muscles

• All muscles

• Only skeletal muscles

What important byproduct do muscles produce as they work?

• Oxygen

• Carbon dioxide

• Heat

• Energy

What attaches muscle to bone?

• tendons

• fibers

• gluteus maximus

• nerves