Yr7 B2.4 Skeleton

What is a bone?

• A hard, dry structure with no blood supply

• A living tissue that repairs itself and contains minerals

• A rigid structure that never changes

How many bones does an average adult human skeleton have?

• 206

• 300

• 150

What is the main function of the skeleton?

• Store oxygen for the body

• Provide a framework for movement and protection

• Help muscles contract

Which of the following is NOT a function of the skeleton?

• Producing blood cells

• Generating energy

• Protecting vital organs

What tissue helps move bones by contracting?

• Ligaments

• Muscles

• Bone marrow

What is the name of the tissue that produces red and white blood cells?

• Compact bone

• Cartilage

• Bone marrow

Which of these bones protects the brain?

• Ribcage

• Skull

• Femur

Why do bones need minerals like calcium?

• To make bones strong but slightly flexible

• To help bones bend completely

• To make bones lighter in weight

What part of the skeleton protects the spinal cord?

• Skull

• Ribcage

• Backbone (vertebral column)

Which of these bones is found in the leg?

• Humerus

• Tibia

• Radius