Bicep and Tricep Muscles

One muscle _______ and the other _______.

• works, works harder

• contract, relaxes

Muscles pull on _______ to help you move.

• Body parts

• Other muscles

• Bones

What happens when the bicep contracts?

• the tricep relaxes

• the tricep contracts

• the bicep relaxes

• the bicep freezes

What happens when the bicep relaxes?

• the tricep relaxes

• the tricep contracts

• the bicep relaxes

• the bicep freezes

In the picture, when the hand raises, what is happening to the arm?

• The bicep is relaxing from the force from the bone.
• The tricep is relaxing.
• The bicep is freezing.
• The tendon puts a force on the tricep.

What muscle is highlighted in the picture?

• Triceps

• Biceps

• Quads

• Deltoids

What muscle is highlighted in the picture?

• Triceps

• Biceps

• Quads

• Deltoids

The main purpose of the muscular system is to....

• Transport nutrients, materials, and gases

• Move the body

• Break down food for nutrients

• Help with gas exchange

Which of the following statements best describe how the arm bends at the elbow?

• Bicep contracts to bend arm at the elbow while the tricep relaxes.

• Bicep contracts to bend arm at the elbow

• Tricep contracts to bend arm at the elbow

• Tricep contracts to bend arm at the elbow while the bicep relaxes.

When a muscle contracts, it _______

• gets longer
• gets shorter
• gets thinner
• grows hair