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Tour of the Human Body Systems

The Tour Starts Here!

The Immune System
The Nervous System
The Excretory System
The Respiratory System
The Circulatory Syatem
The Digestive System
The Skeletal System
The Muscular System
Glossary of Terms
The Parts of the Respiratory System

Nose or Mouth: Where oxygen enters the body.
Larynx: Where air enters the throat.
Trachea: Windpipe that carries air.
Carina: Where the trachea splits into left and right tubes going to the lungs.
Lungs: Full of alveolus which are tiny air sacs that hold air and exchange it into the blood stream.