The locomotor system

1. SKELETON, JOINTS
AND MUSCLES

2. THIS IS MY
SKELETON
The skeleton has 206
bones.

3. hea
d
tors
o
limb
s
The skeleton
has 3 parts:
skull, torso
and the
limbs.

4. The skeleton has 2 functions:
It supports our body.
It protects the delicate
organs inside our
body.

5. Our bones are connected at joints.

6. JOINTS

7. Our elbows, knees,
shoulders, wrists and
ankles are all joints.

8. There are
600 muscles
in our body.

10. THERE ARE 2 TYPES OF MUSCLES
voluntary involuntar
y

11. 1. We can move voluntary muscles
when we want.

12. 2. We can’t control involuntary
muscles: they move automatically.

13. Muscles relax and contract.