Ima

Mucles are organes that help us to move .

The mucles are atached to our bones.

Tendones are very strong.

And they don't stretch.

Mucles can get shorter .

This is called Contraction

a pulling force on the radius and skapula . When muscles contract they produce

When the bisip muscles contract

The pulling force is transmitted.

To these bones through and scapula the strong tendons .

the radius is pulled upwards .

The arm bends .

The scapula is your shoulder blade.

It helps you move your arm and shoulder easily.

The radius helps your arm move.

Tendons are strong, stretchy cords that connect muscles to bones.