We must ________________ erect with our shoulders thrown back.

____________ help our body move.

Incorrect posture can lead to 

_____________ controls all activities of the body.

Another name for jaws 

_____________________ help us to think, learn, remember etc

________________ is the outer covering of the body.

The lower two chambers of the human heart are called

__________is the  frame work of our body

__________________ are hard and strong.