our skeleton

which is not a function of our skeletal system.

• give shape to our body

• to help us breath

• help us walk ,run and jump

• send messages through our body

name of the smallest bone in our body.

our skull is made up of bones.

• 8

• 12

• 22

• 28

How many true ribs are there in our rib cage.

other name of our thai bone

• femur

• sternum

• humerus

other name for the back bone.

• spine

• vertebral column

• rib cage

• limbs

how many limbs do we have ??

• 4

• 2

• 1

• 6

The name of the spongy substance present in our bones is called _____.

• bone marrow

• bones are not filled with any thing , they are hollow.

How many small bones are there in our back bone .

what does our back bone protect ??

• skull

• heart

• lungs

• spinal cord