Muscle Types
This muscle type is voluntary and attached to bones.
Skeletal Muscle
Muscles move bones by doing this.
Contracting (pulling)
A muscle you control on purpose is called _______.
Voluntary
Name one skeletal muscle in your body.
Example: Biceps / Quadriceps / Triceps
What is another name for the muscular system?
“The body’s movement machine”
This muscle type is found in organs like the stomach.
Smooth Muscle
The muscle that bends a joint.
Flexor
A muscle that works automatically is called _______.
Involuntary
Which muscle works every minute of your life?
The Heart
What do muscles also produce when they move?
Heat
This muscle type never gets tired and is only found in the heart.
Cardiac Muscle
The muscle that straightens a joint.
Extensor
When a muscle shortens or tightens, it _______.
Contracts
What type of muscles help food move through the intestines?
Smooth Muscles
What are the three main muscle types?
Skeletal, Smooth, Cardiac
Which two muscle types are involuntary?
Smooth and Cardiac
Why do muscles work in pairs?
One contracts while the other relaxes
When a muscle returns to normal length, it _______.
Relaxes
Which muscles help you smile and chew food?
Skeletal Muscles
What does a tendon do?
Attaches muscle to bone
What is the main function of skeletal muscles?
To move the body by pulling on bones
What connects muscles to bones?
Tendons
What happens when your biceps contract?
Your arm bends at the elbow
Give one example of how you use your muscular system daily.
Example: Walking, Lifting, Breathing, Smiling
Explain what happens when you flex your arm.
Biceps contract, Triceps relax to bend the arm