Exploring the Muscular System in 6 Minutes

What is the primary purpose of the muscular system?

• To provide movement for the body

• To circulate blood

• To digest food

• To protect internal organs

Which system provides the muscles with the ability to move?

• Digestive system

• Nervous system

• Respiratory system

• Circulatory system

What does it mean for a muscle to be excitable?

• It can stretch without damage

• It can receive and respond to stimulation

• It can return to its original shape

• It can contract and shorten

Which property allows a muscle to return to its original shape after being extended or contracted?

• Contractility

• Excitability

• Extensibility

• Elasticity

What is adduction?

• Bending a joint to decrease the angle between two bones

• Moving a body part away from the midline

• Moving a body part toward the midline

• Rotating a body part around an axis

Which type of muscle is found in the walls of the heart?

• Skeletal muscle

• Smooth muscle

• Cardiac muscle

• Visceral muscle

What type of muscle is classified as voluntary?

• Visceral muscle

• Skeletal muscle

• Smooth muscle

• Cardiac muscle

What do tendons connect?

• Nerves to muscles

• Bones to bones

• Muscles to other muscles

• Muscles to bones

What is the role of fascia in the muscular system?

• To protect internal organs

• To circulate blood

• To connect muscles to other muscles

• To connect muscles to bones

What happens if the communication from the nervous system to the skeletal muscles is severed?

• The muscles will become stronger

• The muscles will not be able to produce movement

• The muscles will become more flexible

• The muscles will grow in size