Muscular System

Muscles that you control are known as...

• Involuntary

• Voluntary

• Fast Twitch

• Slow Twitch

Of the 3 types of muscles, which muscles attach to bone.

• Skeletal Muscle

• Smooth Muscle

• Cardiac Muscle

Of the 3 types of muscle, which is responsible for pumping your heart.

Of the 3 types of muscle, which is found in hollow organs and around blood vessels.

• Skeletal Muscle

• Smooth Muscle

• Cardiac Muscle

How do pairs of skeletal muscles work together?

• Both muscles extend at the same time.

• One muscle in the pair pulls on a bone, while the second muscle pulls on the first muscle.

• One contracts and the other stretches.

• While one muscle in the pair contracts, the other returns to its original length.

When muscles contract, the length of the muscle

• lengthens

• shortens

• extends

• stretches

From which system does the body get the message to move?

• Circulatory System

• Muscular System

• Skeletal System

• Nervous System

What do tendons attach?

• muscles to ligaments

• muscles to organs

• muscles to bones

• muscles to organs

Which muscle types are striated?

Another name for a muscle cell is

• fascicle

• myofibril

• myofilament

• muscle fiber