Types of Muscle
Parts of the Muscular System
Body Moving
Muscle Mass
100

This type of muscle is only found in the heart.

Cardiac Muscle 

100

This is an organ system consisting of skeletal, smooth and cardiac muscles. It permits movement of the body, maintains posture and circulates blood throughout the body.

Muscular system.

100

When a skeletal muscle becomes tense and stimulated is has what?

Contracted.

100

Skeletal muscles typically make up what percent of a human's body weight?

40%

200

This type of muscles is responsible for most of the movement in your body.

Skeletal Muscle 

200

This is the tissue that makes up your heart, lines internal organs, and is attached to bones allowing you to move.

Muscles.

200

When a muscle is not tense and is at rest it is what?

Relaxed.

200

Even though we associate muscles with protein, they're mostly made of what?

Water.

300

This type of muscle is involuntary and helps move your food through the digestive system.

Smooth Muscle 

300

This is the connective tissue that attaches muscles to bones.

Tendons.

300

This type of skeletal muscle contracts quickly especially during brief high-intensity physical activity requiring strength.

Fast Twitch.

300

What percentage of your muscles are actually protein?

20%

400

This type of muscle is controlled by your thoughts and your somatic nervous system.

Voluntary Muscle 

400

Muscles are made up of hundreds and thousands of these.

Muscle Fibers.

400

This type of skeletal muscle contracts slowly especially during sustained physical activity requiring endurance.

Slow Twitch. 

400

In order to make muscles grow, what do we have to do?

Exercise.

500

This is the kind of muscle that operates without conscious thought.

Involuntary Muscle.

500

This is the smallest rod-like units of a muscle fiber. 

Fibril.

500

True or False, there are over 900 muscles in the human body?

False.

500

When a muscle gets bigger, it is the process of tiny ______ that grow back slightly bigger as part of the human body's ______ process.

Tears & Healing