Muscular System

What muscle is contracting to allow Cristiano Ronaldo to extend his legs in this way?

• Gastrocnemius

• Biceps

• Hamstrings

• Quadriceps

Which arm muscle is the man pointing at?

• Bicep

• Tricep

Which type of muscle is found in your heart?

• Skeletal

• Smooth

• Cardiac

• Straight

• Trapezius
• Gluteals
• Deltoid
• Hamstring

• Quadriceps
• Satorius
• Hamstring
• Gastronecmius

• Biceps
• Triceps
• Occuli
• Trapezius

__________ muscles you do not control.

• Voluntary

• Involuntary

Your heart is a/an ________________ muscle.

• Voluntary

• Involuntary

What muscle is this person holding?

• Quadricep

• Deltoid

• Hamstring

• Latissimus Dorsi

_________ muscles are controlled by you.

• Involuntary

• Voluntary