Human Skeletal system

The Human Skeletal System is mage up of bones ___________ and ___________

• Joints and ligaments

• Thing bones

• Toe and backbone

An adult human skeleton has _______ number of bones

• 300

• 206

• 205

Most bones of the skull are fixed except the __________________

• lower jaw bone

• upper jaw bone

• middle jaw bone

Vertebral column is also known as

• Spine and backbone

• Skull and brain

• lungs and heart

The backbone protects

• the skull

• the spinal cord

• limbs

How many pairs of ribs in ribcage

• 12

• 18

• 13

In floating ribs how many pairs non attached

• 8

• 3

• 2

Bone marrow is _______

• soft

• hard

• rough

Gliding joint is found in __________

• wrists and ankles backbones

• skull and ribcage

• none

The joint appendages of a human or other animal body are called _______

• Joint

• limbs

• hinge