Unit 1 Living Things

I am a part of the skeleton. My job is to protect the lungs and heart. What am I?

What is the skeleton made of?

Look at the picture. Arrange the parts of the skeleton based on the numbers in order.

• rib cage

• lower leg bone

• skull

• hip

Our skeletons are made of ___ bones.

• 602

• 206

• 226

• 620

Which of the following is not the main job of skeleton?

• The skeleton allows us to move.

• The skeleton protects our organs.

• The skeleton gives us body shape.

• The skeleton works with muscle to help us to grow.

Our brain can do its important jobs that keep us alive and healthy. Which function of skeleton that supports the brain to do its important job?

• The skeleton allows us to move.

• The skeleton gives us body shape.

• The skeleton protects the organs.

• The skeleton helps us to grow.

Upin and Ipin like to play football. They get a lot of benefits from playing football. Their bones and muscles are now getting stronger.

Which function of the skeleton supports the statements above?

• The skeleton protects the organs.

• The skeleton helps us to grow.

• The skeleton allows us to move.

• The skeleton gives us the body shape.

Which of the following work together to make our body moves?

• skeleton, lungs, muscles

• brain, heart, muscles

• muscles, skeleton, brain

• skeleton, brain, lungs

When a muscle _______, it gets shorter.

When a muscle ______, it gets longer.