BONES and MUSCLES

The ... protects the brain.

Which of these animals are vertebrates?

• Koala

• Caterpillar

• Ladybug

• Butterfly

• Elephant

Which activity does not use muscles?

• 
  laughing

• remembering a name

• jumping rope

• writing a letter

Muscles and bones work together to move your body.

• TRUE

• FALSE

We can move our legs with the help of ...

​ (a)   move by shortening their length, pulling on ​ (b)   and moving ​ (c)   closer to each other.

• Muscles
• tendons
• bones

To straighten your arms, the bicep need to ... and triceps need to ....​ (a)   ​ (b)  

• relax
• contract
• straight

What is the longest bones in the human skeleton?

• The clavicle

• The ribs

• The femur

• The humerus

It forms the fleshy parts of the body.

What are the bones that protect your heart and lungs?