1. LeveLs of
organization
Enrique y maruja
the locomotor system consists
of the skeletal system and
the muscular system.
Both systems work together to
produce movement.
The muscular system
the muscular system consists of all te mus cles in the
body.Muscles are organs whichcan change in length
and shape . When a muscles is relaxed, it is long and
thin.when and muscles is contracted,it is shorter and
thicker.There are about 640 muscles in our boody.
Muscles are joined to bones by tendon
