Living Things

What is the body part that let us move?

• bones

• muscles

• organs

Select the functions of the skeleton?

• Protect the organs

• Help us grow

• Give shape

a      Which part is the spine?___ ​

b      Which part protects the brain? ​___

a      Which part protects the heart and lungs? ​ __

b     Which part is the hip bone? ​ __

Fill in the missing words to complete the sentences about how muscles work.

 

         Muscles are joined to the​_______ . Muscles​______ on bones to make them move.

Fill in the missing words to complete the sentences about how muscles work.

 

         Muscles work in_____​ .

Fill in the missing words to complete the sentences about how muscles work.

 

        When one muscle_____ ​and gets shorter, the other muscle​ _____ and gets longer.

Some invertebrate animals have hard skins or shells on the outside of their bodies. It is called_________

• exoskeleton

• vertebrates

• endoskeleton

Germs cause infectious diseases. ​

• True

• False

Always follow the instructions on the medicine label.​

• True

• False