Module Parts of body vocabulary

Part I: After reviewing the module resources, fill in the textboxes with the correct body part in Spanish. Be sure to add the correct article.

El Cuerpo Humano
the head:   an arm:    
the eyes:   the throat:    
the mouth:   some elbows:    
the neck:   a leg:    
the heart:   a brain:    
the hands:   some lungs:    
some nails:   the back:    
a tongue:   the knee:    
the shoulders:   a foot:    
some fingers:   a beard: