The skeleton and the muscles

All muscles in our body are joined to bones.

• true

• false

Look at the picture. Are the BICEPS contracting or relaxing?

• contracting

• relaxing

What is the job of the skull? Select all the correct statements.

• to put candles in

• supports the structure of the face

• to hold the teeth in our mouth

• protects the brain

Animals that have skeletons on the outside of their body are called....

• endoskeletons

• skeletons

• exoskeletons

• weird

What is the job of the ribs?

• they protect our rib cage

• they protect our heart and lungs

• they protect our face

• they protect our necks

Complete the sentence. The skeleton bends at the..........

• knees only

• waist

• joints

• face

When a muscle contracts....

• it pulls up the bone it is attached to

• it goes back to its normal size

• it gets stronger

• it smiles

When a muscle relaxes....

• it pulls up the bone it is attached to

• it goes back to its normal size

• it gets stronger

• smiles and sighs

All bones are __________.

• hard

• soft

• long

• short

The bone around your brain

• femur

• skull

• tibia

• ribs