Skeletal/muscular

Front

What protects the heart and lungs?

Back

ribs

Front

What is the nutrient that keeps muscles strong?

Back

Protein

Front

How many bones does an adult skeleton have?

Back

206

Front

What are the vitamins and minerals that keep bones strong?

Back

calcium and vitamin D

Front

What is a tough band of tissue that connects muscle to bone?

Back

Tendon

Front

osteo

Back

bone

Front

What keeps bones from grinding against each other?

Back

cartilage

Front

How many muscles does the muscular system have?

Back

640

Front

What is another name for head?

Back

skull

Front

What is another name for tarsals?

Back

ankle