Muscular System Quiz

What is one of the main functions of the muscular system?

• Digestion

• Movement

• Circulation

• Respiration

Which muscle is located in the upper arm and helps you to bend your elbow?

• Quadriceps

• Hamstrings

• Biceps

• Pectorals

What type of muscle is only found in the heart?

• Skeletal Muscle

• Smooth Muscle

• Cardiac Muscle

• Voluntary Muscle

Which part of a skeletal muscle is made up of long cells that contract to produce movement?

• Fascicles

• Tendons

• Myofibrils

• Muscle Fibers

What is the function of smooth muscles?

• They help with voluntary movements like walking.

• They are found in the heart and help pump blood.

• They help with involuntary actions like digestion.

• They attach muscles to bones.

Which muscle is found in the front of your thigh and helps you to extend your knee?

• Triceps

• Quadriceps

• Hamstrings

• Pectorals

What is the role of tendons in the muscular system?

• They contract to produce movement.

• They group muscle fibers together.

• They attach muscles to bones.

• They help muscles to maintain posture.

What happens during isotonic muscle contractions?

• The muscle changes length as it contracts.

• The muscle doesn't change length but generates force.

• The muscle relaxes completely.

• The muscle stretches without contracting.

Which type of muscle contraction involves the muscle not changing length but still generating force?

• Isotonic Contractions

• Isometric Contractions

• Flexion

• Abduction

What type of movement involves bending and straightening a limb?

• Flexion and Extension

• Abduction and Adduction

• Rotation

• Isometric Contractions