Muscle Knowledge Quiz

How many muscles are there in the human body?

• About 200

• Over 450

• Over 650

• More than 1000

Which of these is NOT one of the three main types of muscles mentioned in the video?

• Skeletal muscles

• Smooth muscles

• Cardiac muscles

• Striated muscles

What are the tough connective tissues that connect skeletal muscles to bones called?

• Ligaments

• Tendons

• Fibers

• Cartilage

Which type of muscle is controlled directly by signals from your brain?

• Smooth muscles

• Cardiac muscles

• Skeletal muscles

• All muscles are controlled directly by the brain

What is another name for smooth muscles?

• Voluntary muscles

• Special muscles

• Heart muscles

• Skin muscles

Which of these is NOT a function of smooth muscles?

• Moving food through the digestive system

• Controlling the diaphragm for breathing

• Making blood vessels relax and tighten

• Controlling facial expressions

Where is cardiac muscle located?

• In the arms and legs

• In the heart

• In the stomach

• Throughout the whole body

What happens when cardiac muscle contracts and relaxes?

• You blink your eyes

• Food moves through your intestines

• Blood moves in and out of heart chambers

• Your arms and legs move

Which type of muscle is involuntary?

• Skeletal muscle

• Smooth muscle

• Cardiac muscle

• Both b and c

How many muscles does it take to smile?

• 17

• 43

• 50

• 60