Respiratory System

Front

The inner area of the nasal passage where air is warmed and cleaned by cilia and mucous membranes.

Back

Nasal Cavity

Front

The upper part of the throat between the mouth and the esophagus.

Back

Pharynx

Front

The voice box, which lies in the front of the throat and is seen on the outside as the Adam's Apple.

Back

Larynx

Front

The main tube through which air passes to and from the lungs, also called the windpipe.

Back

Trachea

Front

Tubes that lead to the lungs.

Back

Bronchi 

Front

Organs that contain bronchial tubes, bronchi, and alveoli in which exchange of oxygen and Carbon Dioxide takes place. Options: Bronchi, Lungs, Diaphragm, Alveoli

Back

Lungs

Front

Muscle that separates the chest and abdominal cavities.

Back

Diaphragm

Front

Grape-like structure that is surrounded by capillaries and needed for gas exchange. Site of diffusion/gas exchange. Options: Bronchi, Lungs, Diaphragm, Alveoli

Back

Alveoli

Front

Pressure decreases, volume increases and air moves in.

Back

inhalation

Front

Pressure increases, volume decreases and air moves out.

Back

exhalation