Muscular System Exit Ticket

What happens when muscles contract?

• They allow us to move

• They push bones

• They relax

• They shrink

How many muscles does it take to smile?

• 17

• 25

• 30

• 43

What are antagonistic muscles?

• Muscles that only relax

• Pairs of muscles that work against each other

• Muscles that work together

• Muscles that push bones

Which muscles are antagonistic in the arm?

• Biceps and triceps

• Quadriceps and triceps

• Triceps and hamstrings

• Biceps and quadriceps

How do muscles move bones at the joint?

• By contracting and pulling on the bones

• By relaxing the bones

• By pushing on the bones

• By shrinking the bones

What is the action of increasing the angle of corresponding bones called?

• Contraction

• Extension

• Relaxation

• Flexion

Which muscle straightens the arm at the elbow?

• Biceps

• Triceps

• Hamstrings

• Quadriceps

What is the action of decreasing the angle of corresponding bones called?

• Relaxation

• Contraction

• Flexion

• Extension

Which muscle bends the leg at the knee?

• Biceps

• Hamstrings

• Triceps

• Quadriceps

What is the term used for muscles that work together but opposite each other to bring about movement?

• Agonistic

• Antagonistic

• Synergistic

• Cooperative