There are over 600 muscles in the human body that help us move by contracting and relaxing, give our bodies shape, and protect internal organs. Some key muscles mentioned include deltoids, trapezius, masseter, pectorals, biceps, abdominals, triceps, gluteals, calf muscles, and quadriceps.

1. MUSCLES

2. There are over 600 muscles in our
body
Muscles help us move, give our bodies shape and
they also protect our internal organs.

3. They move our bones by contracting
and relaxing.

4. DELTOIDS
TRAPEZIUS
MASSETER
PECTORALS
BICEPS
ABDOMINALS
TRICEPS
GLUTEALS
CALF
MUSCLES
QUADRICEPS
http://www.kidport.com/Grade6/Science/BodyMuscles.htm