Skeletal system

Skeletal system

​4 main jobs

• ​It is the frame around which our body is made

• ​It protects our soft organs

• ​It gives shape and support to our body

• ​Helps us to move

​Main parts of the skeletal system

• ​Skull

• ​Spine/backbone

• ​Ribcage

• ​Thigh

• ​Limbs

• ​Joints

​Types of joints

​1. Hinge joint 2. Ball and socket joint 3. Pivot joint 4. Gliding joint

​Fun facts!!

• ​Bone marrow: A soft, spongy material found inside the cavities of long bones. They produce white blood cells and red blood cells inside hollow bones

• ​Ligament: Strong tissues that bind the bones at a joint

• An human adult has 206​ in all.

• ​A human new born has around 300 hundred bones

• ​The human skull has 22 bones

• ​The human spine has 33 small bones

  ​The human ribcage has 12 pairs of ribs

Multiple Choice

How many bones are there in an adults body?

• 204

• 256

• 356

• 206

Multiple Choice

Group of organs form a

• Cell

• Organ system

• Atom

• Tissue

Multiple Select

The longest bone in our body is ___

• Forearm bone

• Thigh bone

• Femur

• Collar bone

• Backbone