How many bones does an adult human have?

• 602

• 306

• 206

• 500

What do your bones protect?

• Organs

• Skin

• Muscles

• Joints

• Clavicle

• Rib

• Humerus

• Scapula

What are the bones that protect your heart and lungs?

• Rib cage

• Clavicle

• Femur

• Radius

What is a skeleton?

• Tissues that contract to create movement
• Tissues that relax to create movement
• A framework that supports and protects an animal 
• Small tubes that help vertebrae support the spinal cord

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What is a muscle

• A hard outer covering of the body
• A skeleton without hard parts 
• Tissues that contract or relax to create movement 
• Large structures that are filled with fluids that help shape an animal

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• Carpals

• Pelvis

• Spine

• Femur

Your skull (cranium) is an important bone that protects your _________________?

• Heart

• Brain

• Lungs

• Liver

What are joints?

• A place where one bone meets 
• A place where two bones meet 
• Bones don't meet 
• They connect bone to muscle

The main job or purpose of the muscular system is to:

• Keep the heart beating
• Move the body
• Protect internal organs
• Transfer oxygen

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