3.+MUSCULAR+SYSTEM

The muscular system is one of the most important systems of the body, it allows movements in humans and animals.
 * Definition:**

Because they hold the organs in place and they keep the bones together.
 * Why are the muscles important?**

The body has over 600 muscles.
 * How many muscles do humans have?**

There are three different kinds or types of muscles,their names are Cardic, Smooth and Skeletal. The cardic and the smooth muscles are involuntary that means thoose muscles work without you thinking about them. The skeletal muscles are voluntary that means you control them.
 * What types of muscles are there?**

They are made of stretchy elastic cells and fibers.
 * What are muscles made of?**

Tendons.
 * Which organs do attach muscles to the bones?**

Eating food high in protein, like: meat, chicken, eggs... And exercising everyday.
 * How can people keep** **the muscles strong?**

Did you know that some muscles help you pumping blood to the heart? Some muscles help you to digest and others to move
 * SOME FACTS**

If you did not have muscles your blood will not pump to your heart and also you will not digest and you will not move and you can die.
 * WHAT WILL HAPPEN IF WE DID NOT HAVE MUSCLES**

The heart is in fact the most important muscle in your body because with out your heart you could not live because to there comes all the blood and you can birth good and if you does not have a heart you would not live and if you do not have other muscle like a leg you can live but with difficulties but in conclusion you can´t live with out a heart.
 * Do you know which is the most important muscle in your body?**