SC41405

A ............. is a strong frame that supports our body from the inside

True or false. We grow and get bigger because our skeleton grows.

• True

• False

Our skeleton helps us to walk, run and move in lots of different ways. We can move because there are ................joined to bones of the skeleton.

• brain

• muscle

• heart

• lungs

When muscles get shorter they pull on the bones they are joined to. We say that the muscles ...................

When muscles ................. they get longer and let you rest.

Animals with skeleton inside their bodies are ..................

• invertebrates

• vertebrates

This is an example of a vertebrate animal.

• fish

• locust

• worm

• jellyfish

Animals with no bones are called.........

This is an animal that has an exoskeleton.

• frog

• tiger

• locust

• dolphin

True or False. Mammal is a vertebrate.

• True

• False