Natural Science - UNIT: THE HUMAN BODY
LESSON: OUR SENSES 1 - SIGHT AND HEARING
HOW DO WE SEE?:
Our eyes are the SENSE OF SIGHT... This video explains you how they work:
And... HOW DO WE HEAR?... Ears have three parts... This next video shows you how sound vibrations travel to our brain:
This is our lesson's SUMMARY
