Muscular System Flashcards
To learn about the Muscular System. (17 cards)
What is the function of the Muscular System?
Movement.
What is the composition of the Muscular System?
It is a type of elastic tissue.
What is each muscle made of?
Thousands of small fibers.
What is a Voluntary Muscle?
It only works when you tell them to.
What is an Involuntary Muscle?
It works without you thinking about it.
What are the three types of muscle?
Smooth, Skeletal, and Cardiac.
Describe Smooth Muscle.
Involuntary
Used in the Reproductive, Digestive, Respiratory, and Circulatory Systems.
Describe Cardiac Muscle.
Involuntary
Myocardium
Describe Skeletal Muscle.
Voluntary
Combination of Muscles, Skeleton, and Bones.
Gives the body power and strength.
How do contractions work?
Tiny fibers in cells contract.
How do you relax?
You relax when nerve cells make it stop.
Where do muscles get energy?
Muscles get chemical energy from food.
Give an example of muscles working in pairs.
Triceps and Biceps
How much body weight is muscle?
40% body weight.
How many muscles are in the body?
630 muscles in the body.
What is “pulling a muscle?”
Pulling a muscle is tearing a muscle.
When can you pull a muscle?
While doing hard core activity without stretching.
