This type of muscle is only found in the heart.
Cardiac Muscle
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.
When a skeletal muscle becomes tense and stimulated is has what?
Contracted.
Skeletal muscles typically make up what percent of a human's body weight?
40%
This type of muscles is responsible for most of the movement in your body.
Skeletal Muscle
This is the tissue that makes up your heart, lines internal organs, and is attached to bones allowing you to move.
Muscles.
When a muscle is not tense and is at rest it is what?
Relaxed.
Even though we associate muscles with protein, they're mostly made of what?
Water.
This type of muscle is involuntary and helps move your food through the digestive system.
Smooth Muscle
This is the connective tissue that attaches muscles to bones.
Tendons.
This type of skeletal muscle contracts quickly especially during brief high-intensity physical activity requiring strength.
Fast Twitch.
What percentage of your muscles are actually protein?
20%
This type of muscle is controlled by your thoughts and your somatic nervous system.
Voluntary Muscle
Muscles are made up of hundreds and thousands of these.
Muscle Fibers.
This type of skeletal muscle contracts slowly especially during sustained physical activity requiring endurance.
Slow Twitch.
In order to make muscles grow, what do we have to do?
Exercise.
This is the kind of muscle that operates without conscious thought.
Involuntary Muscle.
This is the smallest rod-like units of a muscle fiber.
Fibril.
True or False, there are over 900 muscles in the human body?
False.
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