Muscular System

How many muscles make up the muscular system?

• More than 700 muscles

• Around 300 muscles

• Exactly 500 muscles

• Over 600 muscles

What is the primary purpose of the muscular system?

• To provide movement for the body

• To protect internal organs

• To circulate blood

• To provide structure to the body

Which of the following is NOT a property of the muscular system?

• Excitability

• Contractability

• Permeability

• Elasticity

What happens to a muscle when it undergoes hypertrophy?

• It decreases in size

• It loses elasticity

• It becomes weaker

• It enlarges

Which type of muscle movement involves bending a joint to decrease the angle between two bones?

• Adduction

• Extension

• Flexion

• Abduction

Which type of muscle is considered involuntary?

• Skeletal muscle

• Cardiac muscle

• Both skeletal and cardiac muscles

• None of the above

What do tendons connect?

• Bone to bone

• Muscle to bone

• Muscle to muscle

• Bone to organs

Which muscle type is classified as voluntary?

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• Visceral muscle

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

• Elasticity

• Hypertrophy

• Paralysis

• Atrophy

Which organ is not directly dependent upon the nervous system?

• Kidneys

• Lungs

• Heart

• Liver